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-rw-r--r--xlators/protocol/client/src/client-protocol.c6671
1 files changed, 6671 insertions, 0 deletions
diff --git a/xlators/protocol/client/src/client-protocol.c b/xlators/protocol/client/src/client-protocol.c
new file mode 100644
index 000000000..5c93bd6f1
--- /dev/null
+++ b/xlators/protocol/client/src/client-protocol.c
@@ -0,0 +1,6671 @@
+/*
+ Copyright (c) 2006, 2007, 2008, 2009 Z RESEARCH, Inc. <http://www.zresearch.com>
+ This file is part of GlusterFS.
+
+ GlusterFS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published
+ by the Free Software Foundation; either version 3 of the License,
+ or (at your option) any later version.
+
+ GlusterFS is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see
+ <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef _CONFIG_H
+#define _CONFIG_H
+#include "config.h"
+#endif
+#include <inttypes.h>
+
+
+#include "glusterfs.h"
+#include "client-protocol.h"
+#include "compat.h"
+#include "dict.h"
+#include "protocol.h"
+#include "transport.h"
+#include "xlator.h"
+#include "logging.h"
+#include "timer.h"
+#include "defaults.h"
+#include "compat.h"
+#include "compat-errno.h"
+
+#include <sys/resource.h>
+#include <inttypes.h>
+
+/* for default_*_cbk functions */
+#include "defaults.c"
+#include "saved-frames.h"
+
+
+int protocol_client_cleanup (transport_t *trans);
+int protocol_client_interpret (xlator_t *this, transport_t *trans,
+ char *hdr_p, size_t hdrlen,
+ char *buf_p, size_t buflen);
+int
+protocol_client_xfer (call_frame_t *frame, xlator_t *this, transport_t *trans,
+ int type, int op,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ struct iovec *vector, int count,
+ dict_t *refs);
+
+static gf_op_t gf_fops[];
+static gf_op_t gf_mops[];
+static gf_op_t gf_cbks[];
+
+
+static ino_t
+this_ino_get_from_inode (inode_t *inode, xlator_t *this)
+{
+ ino_t ino = 0;
+ int32_t ret = 0;
+
+ GF_VALIDATE_OR_GOTO ("client", this, out);
+ GF_VALIDATE_OR_GOTO (this->name, inode, out);
+
+ if (inode->ino == 1) {
+ ino = 1;
+ goto out;
+ }
+
+ ret = inode_ctx_get (inode, this, &ino);
+
+ if (inode->ino && ret < 0) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "(%"PRId64"): failed to get remote inode number",
+ inode->ino);
+ }
+
+out:
+ return ino;
+}
+
+
+static ino_t
+this_ino_get (loc_t *loc, xlator_t *this, int32_t which)
+{
+ ino_t ino = 0;
+ int32_t ret = 0;
+ inode_t *inode = NULL;
+
+ GF_VALIDATE_OR_GOTO ("client", this, out);
+
+ if (which == GF_CLIENT_INODE_SELF) {
+ inode = loc->inode;
+ } else if (which == GF_CLIENT_INODE_PARENT) {
+ inode = loc->parent;
+ }
+ GF_VALIDATE_OR_GOTO (this->name, inode, out);
+
+ if (inode->ino == 1) {
+ ino = 1;
+ goto out;
+ }
+
+ ret = inode_ctx_get (inode, this, &ino);
+
+ if (inode->ino && ret < 0) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "%s(%s - %"PRId64") failed to get remote inode number",
+ loc->path,
+ (which == GF_CLIENT_INODE_SELF? "self" : "parent"),
+ inode->ino);
+ }
+
+out:
+ return ino;
+}
+
+
+static void
+this_ino_set (loc_t *loc, xlator_t *this, ino_t ino)
+{
+ ino_t old_ino = 0;
+ int32_t ret = -1;
+ inode_t *inode = NULL;
+
+ GF_VALIDATE_OR_GOTO ("client", this, out);
+
+ inode = loc->inode;
+ GF_VALIDATE_OR_GOTO (this->name, inode, out);
+
+ ret = inode_ctx_get (inode, this, &old_ino);
+
+ if (old_ino != ino) {
+ if (old_ino)
+ gf_log (this->name, GF_LOG_DEBUG,
+ "%s: inode number changed from %"PRId64" "
+ "to %"PRId64,
+ loc->path, old_ino, ino);
+
+ ret = inode_ctx_put (inode, this, ino);
+ if (ret < 0) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "%s (%"PRId64"): failed to set remote "
+ "inode number to inode ctx",
+ loc->path, ino);
+ }
+ }
+out:
+ return;
+}
+
+
+static int
+this_fd_get (fd_t *file, xlator_t *this, int64_t *remote_fd)
+{
+ int ret = 0;
+ int dict_ret = -1;
+ uint64_t tmp_fd = 0;
+
+ GF_VALIDATE_OR_GOTO ("client", this, out);
+ GF_VALIDATE_OR_GOTO (this->name, file, out);
+ GF_VALIDATE_OR_GOTO (this->name, remote_fd, out);
+
+ dict_ret = fd_ctx_get (file, this, &tmp_fd);
+
+ if (dict_ret < 0) {
+ ret = -1;
+ }
+ *remote_fd = (int64_t)tmp_fd;
+out:
+ return ret;
+}
+
+
+static void
+this_fd_set (fd_t *file, xlator_t *this, loc_t *loc, int64_t fd)
+{
+ uint64_t old_fd = 0;
+ int32_t ret = -1;
+
+ GF_VALIDATE_OR_GOTO ("client", this, out);
+ GF_VALIDATE_OR_GOTO (this->name, file, out);
+
+ ret = fd_ctx_get (file, this, &old_fd);
+ if (ret >= 0) {
+ gf_log (this->name, GF_LOG_WARNING,
+ "%s (%"PRId64"): trying duplicate remote fd set. "
+ "%"PRId64" over-rides %"PRId64,
+ loc->path, loc->inode->ino, fd, old_fd);
+ }
+
+ ret = fd_ctx_set (file, this, (uint64_t)fd);
+ if (ret < 0) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "%s (%"PRId64"): failed to set remote fd",
+ loc->path, loc->inode->ino);
+ }
+out:
+ return;
+}
+
+
+static int
+client_local_wipe (client_local_t *local)
+{
+ if (local) {
+ loc_wipe (&local->loc);
+
+ if (local->fd)
+ fd_unref (local->fd);
+
+ free (local);
+ }
+
+ return 0;
+}
+
+/*
+ * lookup_frame - lookup call frame corresponding to a given callid
+ * @trans: transport object
+ * @callid: call id of the frame
+ *
+ * not for external reference
+ */
+
+static call_frame_t *
+lookup_frame (transport_t *trans, int32_t op, int8_t type, int64_t callid)
+{
+ client_connection_t *conn = NULL;
+ call_frame_t *frame = NULL;
+
+ conn = trans->xl_private;
+
+ pthread_mutex_lock (&conn->lock);
+ {
+ frame = saved_frames_get (conn->saved_frames,
+ op, type, callid);
+ }
+ pthread_mutex_unlock (&conn->lock);
+
+ return frame;
+}
+
+
+static void
+call_bail (void *data)
+{
+ client_connection_t *conn = NULL;
+ struct timeval current;
+ int32_t bail_out = 0;
+ transport_t *trans = NULL;
+
+ GF_VALIDATE_OR_GOTO("client", data, out);
+ trans = data;
+
+ conn = trans->xl_private;
+
+ gettimeofday (&current, NULL);
+ pthread_mutex_lock (&conn->lock);
+ {
+ /* Chaining to get call-always functionality from
+ call-once timer */
+ if (conn->timer) {
+ struct timeval timeout = {0,};
+ gf_timer_cbk_t timer_cbk = conn->timer->cbk;
+
+ timeout.tv_sec = 10;
+ timeout.tv_usec = 0;
+
+ gf_timer_call_cancel (trans->xl->ctx, conn->timer);
+ conn->timer = gf_timer_call_after (trans->xl->ctx,
+ timeout,
+ timer_cbk,
+ trans);
+ if (conn->timer == NULL) {
+ gf_log (trans->xl->name, GF_LOG_DEBUG,
+ "Cannot create bailout timer");
+ }
+ }
+
+ if (((conn->saved_frames->count > 0) &&
+ (RECEIVE_TIMEOUT(conn, current)) &&
+ (SEND_TIMEOUT(conn, current)))) {
+
+ struct tm last_sent_tm, last_received_tm;
+ char last_sent[32] = {0,}, last_received[32] = {0,};
+
+ bail_out = 1;
+
+ localtime_r (&conn->last_sent.tv_sec,
+ &last_sent_tm);
+ localtime_r (&conn->last_received.tv_sec,
+ &last_received_tm);
+
+ strftime (last_sent, 32,
+ "%Y-%m-%d %H:%M:%S", &last_sent_tm);
+ strftime (last_received, 32,
+ "%Y-%m-%d %H:%M:%S", &last_received_tm);
+
+ gf_log (trans->xl->name, GF_LOG_ERROR,
+ "activating bail-out. pending frames = %d. "
+ "last sent = %s. last received = %s. "
+ "transport-timeout = %d",
+ (int32_t) conn->saved_frames->count,
+ last_sent, last_received,
+ conn->transport_timeout);
+ }
+ }
+
+ if (bail_out) {
+ conn->ping_started = 0;
+ }
+
+ pthread_mutex_unlock (&conn->lock);
+
+ if (bail_out) {
+ gf_log (trans->xl->name, GF_LOG_CRITICAL,
+ "bailing transport");
+ transport_disconnect (trans);
+ }
+out:
+ return;
+}
+
+
+void
+save_frame (transport_t *trans, call_frame_t *frame,
+ int32_t op, int8_t type, uint64_t callid)
+{
+ client_connection_t *conn = NULL;
+ struct timeval timeout = {0, };
+
+
+ conn = trans->xl_private;
+
+ saved_frames_put (conn->saved_frames, frame, op, type, callid);
+
+ if (conn->timer == NULL) {
+ timeout.tv_sec = 10;
+ timeout.tv_usec = 0;
+ conn->timer = gf_timer_call_after (trans->xl->ctx, timeout,
+ call_bail, (void *) trans);
+ }
+}
+
+
+int
+client_get_forgets (xlator_t *this, client_forget_t *forget)
+{
+ call_frame_t *fr = NULL;
+ gf_hdr_common_t *hdr = NULL;
+ size_t hdrlen = 0;
+ gf_cbk_forget_req_t *req = NULL;
+ int ret = -1;
+ client_conf_t *conf = NULL;
+ int count = 0;
+ int index = 0;
+
+ conf = this->private;
+
+ if (conf->forget.count > 0) {
+ count = conf->forget.count;
+
+ hdrlen = gf_hdr_len (req, (count * sizeof (int64_t)));
+ hdr = gf_hdr_new (req, (count * sizeof (int64_t)));
+ GF_VALIDATE_OR_GOTO (this->name, hdr, out);
+
+ req = gf_param (hdr);
+
+ req->count = hton32 (count);
+ for (index = 0; index < count; index++) {
+ req->ino_array[index] =
+ hton64 (conf->forget.ino_array[index]);
+ }
+
+ fr = create_frame (this, this->ctx->pool);
+ GF_VALIDATE_OR_GOTO (this->name, fr, out);
+
+ conf->forget.frames_in_transit++;
+
+ forget->frame = fr;
+ forget->hdr = hdr;
+ forget->hdrlen = hdrlen;
+
+ ret = count;
+
+ conf->forget.count = 0;
+ }
+ out:
+ return ret;
+}
+
+
+void
+client_ping_timer_expired (void *data)
+{
+ xlator_t *this = NULL;
+ transport_t *trans = NULL;
+ client_conf_t *conf = NULL;
+ client_connection_t *conn = NULL;
+
+ trans = data;
+ this = trans->xl;
+ conf = this->private;
+ conn = trans->xl_private;
+
+ gf_log (this->name, GF_LOG_ERROR,
+ "ping timer expired! bailing transport");
+
+ pthread_mutex_lock (&conn->lock);
+ {
+ if (conn->ping_timer)
+ gf_timer_call_cancel (trans->xl->ctx,
+ conn->ping_timer);
+
+ conn->ping_started = 0;
+ conn->ping_timer = NULL;
+ }
+ pthread_mutex_unlock (&conn->lock);
+ transport_disconnect (trans);
+}
+
+
+void
+client_start_ping (void *data)
+{
+ xlator_t *this = NULL;
+ transport_t *trans = NULL;
+ client_conf_t *conf = NULL;
+ client_connection_t *conn = NULL;
+ int32_t ret = -1;
+ gf_hdr_common_t *hdr = NULL;
+ struct timeval timeout = {0, };
+ call_frame_t *dummy_frame = NULL;
+ size_t hdrlen = -1;
+ gf_mop_ping_req_t *req = NULL;
+
+
+ trans = data;
+ this = trans->xl;
+ conf = this->private;
+ conn = trans->xl_private;
+
+ pthread_mutex_lock (&conn->lock);
+ {
+ if ((conn->saved_frames->count == 0) ||
+ !conn->connected) {
+ /* using goto looked ugly here,
+ * hence getting out this way */
+ if (conn->ping_timer)
+ gf_timer_call_cancel (trans->xl->ctx,
+ conn->ping_timer);
+ conn->ping_timer = NULL;
+ conn->ping_started = 0;
+ /* unlock */
+ pthread_mutex_unlock (&conn->lock);
+ return;
+ }
+
+ if (conn->saved_frames->count < 0) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "saved_frames->count is %"PRId64,
+ conn->saved_frames->count);
+ conn->saved_frames->count = 0;
+ }
+ timeout.tv_sec = conn->ping_timeout;
+ timeout.tv_usec = 0;
+
+ conn->ping_timer =
+ gf_timer_call_after (trans->xl->ctx, timeout,
+ client_ping_timer_expired,
+ (void *) trans);
+
+ if (conn->ping_timer == NULL) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "unable to setup timer");
+ } else
+ conn->ping_started = 1;
+ }
+ pthread_mutex_unlock (&conn->lock);
+
+ hdrlen = gf_hdr_len (req, 0);
+ hdr = gf_hdr_new (req, 0);
+
+ dummy_frame = create_frame (this, this->ctx->pool);
+ dummy_frame->local = trans;
+
+ ret = protocol_client_xfer (dummy_frame, this, trans,
+ GF_OP_TYPE_MOP_REQUEST, GF_MOP_PING,
+ hdr, hdrlen, NULL, 0, NULL);
+}
+
+
+int
+client_ping_cbk (call_frame_t *frame, gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ xlator_t *this = NULL;
+ transport_t *trans = NULL;
+ client_conf_t *conf = NULL;
+ client_connection_t *conn = NULL;
+ struct timeval timeout = {0, };
+ int op_ret = 0;
+
+ trans = frame->local; frame->local = NULL;
+ this = trans->xl;
+ conf = this->private;
+ conn = trans->xl_private;
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+
+ if (op_ret == -1) {
+ /* timer expired and transport bailed out */
+ gf_log (this->name, GF_LOG_ERROR, "timer must have expired");
+ goto out;
+ }
+
+ pthread_mutex_lock (&conn->lock);
+ {
+ timeout.tv_sec = conn->ping_timeout;
+ timeout.tv_usec = 0;
+
+ gf_timer_call_cancel (trans->xl->ctx,
+ conn->ping_timer);
+
+ conn->ping_timer =
+ gf_timer_call_after (trans->xl->ctx, timeout,
+ client_start_ping, (void *)trans);
+ if (conn->ping_timer == NULL)
+ gf_log (this->name, GF_LOG_ERROR,
+ "gf_timer_call_after() returned NULL");
+ }
+ pthread_mutex_unlock (&conn->lock);
+out:
+ STACK_DESTROY (frame->root);
+ return 0;
+}
+
+
+int
+protocol_client_xfer (call_frame_t *frame, xlator_t *this, transport_t *trans,
+ int type, int op,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ struct iovec *vector, int count,
+ dict_t *refs)
+{
+ client_conf_t *conf = NULL;
+ client_connection_t *conn = NULL;
+ uint64_t callid = 0;
+ int32_t ret = -1;
+ int start_ping = 0;
+ gf_hdr_common_t rsphdr = {0, };
+ client_forget_t forget = {0, };
+ uint8_t send_forget = 0;
+
+
+ conf = this->private;
+
+ if (!trans) {
+ /* default to bulk op since it is 'safer' */
+ trans = conf->transport[CHANNEL_BULK];
+ }
+ conn = trans->xl_private;
+
+ if (!((type == GF_OP_TYPE_CBK_REQUEST) &&
+ (op == GF_CBK_FORGET)))
+ {
+ LOCK (&conf->forget.lock);
+ {
+ ret = client_get_forgets (this, &forget);
+ if (ret <= 0)
+ send_forget = 0;
+ else
+ send_forget = 1;
+ }
+ UNLOCK (&conf->forget.lock);
+
+ if (send_forget) {
+ ret = protocol_client_xfer (forget.frame, this, NULL,
+ GF_OP_TYPE_CBK_REQUEST,
+ GF_CBK_FORGET,
+ forget.hdr, forget.hdrlen,
+ NULL, 0, NULL);
+ }
+ }
+
+ pthread_mutex_lock (&conn->lock);
+ {
+ callid = ++conn->callid;
+
+ hdr->callid = hton64 (callid);
+ hdr->op = hton32 (op);
+ hdr->type = hton32 (type);
+
+ if (frame) {
+ hdr->req.uid = hton32 (frame->root->uid);
+ hdr->req.gid = hton32 (frame->root->gid);
+ hdr->req.pid = hton32 (frame->root->pid);
+ }
+
+ if (conn->connected == 0)
+ transport_connect (trans);
+
+ ret = -1;
+
+ if (conn->connected ||
+ ((type == GF_OP_TYPE_MOP_REQUEST) &&
+ (op == GF_MOP_SETVOLUME))) {
+ ret = transport_submit (trans, (char *)hdr, hdrlen,
+ vector, count, refs);
+ }
+
+ if ((ret >= 0) && frame) {
+ /* TODO: check this logic */
+ gettimeofday (&conn->last_sent, NULL);
+ save_frame (trans, frame, op, type, callid);
+ }
+
+ if (!conn->ping_started && (ret >= 0)) {
+ start_ping = 1;
+ }
+ }
+ pthread_mutex_unlock (&conn->lock);
+
+ if (start_ping)
+ client_start_ping ((void *) trans);
+
+ if (frame && (ret < 0)) {
+ rsphdr.op = op;
+ rsphdr.rsp.op_ret = hton32 (-1);
+ rsphdr.rsp.op_errno = hton32 (ENOTCONN);
+
+ if (type == GF_OP_TYPE_FOP_REQUEST) {
+ rsphdr.type = GF_OP_TYPE_FOP_REPLY;
+ gf_fops[op] (frame, &rsphdr, sizeof (rsphdr), NULL, 0);
+ } else if (type == GF_OP_TYPE_MOP_REQUEST) {
+ rsphdr.type = GF_OP_TYPE_MOP_REPLY;
+ gf_mops[op] (frame, &rsphdr, sizeof (rsphdr), NULL, 0);
+ } else {
+ rsphdr.type = GF_OP_TYPE_CBK_REPLY;
+ gf_cbks[op] (frame, &rsphdr, sizeof (rsphdr), NULL, 0);
+ }
+ }
+
+ return ret;
+}
+
+
+
+/**
+ * client_create - create function for client protocol
+ * @frame: call frame
+ * @this: this translator structure
+ * @path: complete path to file
+ * @flags: create flags
+ * @mode: create mode
+ *
+ * external reference through client_protocol_xlator->fops->create
+ */
+
+int
+client_create (call_frame_t *frame, xlator_t *this,
+ loc_t *loc, int32_t flags,
+ mode_t mode, fd_t *fd)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_create_req_t *req = NULL;
+ size_t hdrlen = 0;
+ size_t pathlen = 0;
+ size_t baselen = 0;
+ int32_t ret = -1;
+ ino_t par = 0;
+ client_conf_t *conf = NULL;
+ client_local_t *local = NULL;
+
+
+ conf = this->private;
+
+ if (conf->child) {
+ STACK_WIND (frame, default_create_cbk,
+ conf->child,
+ conf->child->fops->create,
+ loc, flags, mode, fd);
+ return 0;
+ }
+
+ local = calloc (1, sizeof (*local));
+ GF_VALIDATE_OR_GOTO(this->name, local, unwind);
+
+ local->fd = fd_ref (fd);
+ loc_copy (&local->loc, loc);
+
+ frame->local = local;
+
+ pathlen = STRLEN_0(loc->path);
+ baselen = STRLEN_0(loc->name);
+ par = this_ino_get (loc, this, GF_CLIENT_INODE_PARENT);
+
+ hdrlen = gf_hdr_len (req, pathlen + baselen);
+ hdr = gf_hdr_new (req, pathlen + baselen);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->flags = hton32 (flags);
+ req->mode = hton32 (mode);
+ req->par = hton64 (par);
+ strcpy (req->path, loc->path);
+ strcpy (req->bname + pathlen, loc->name);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_LOWLAT),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_CREATE,
+ hdr, hdrlen, NULL, 0, NULL);
+ return ret;
+unwind:
+ if (hdr)
+ free (hdr);
+ STACK_UNWIND(frame, -1, EINVAL, fd, NULL, NULL);
+ return 0;
+
+}
+
+/**
+ * client_open - open function for client protocol
+ * @frame: call frame
+ * @this: this translator structure
+ * @loc: location of file
+ * @flags: open flags
+ * @mode: open modes
+ *
+ * external reference through client_protocol_xlator->fops->open
+ */
+int
+client_open (call_frame_t *frame, xlator_t *this,
+ loc_t *loc, int32_t flags, fd_t *fd)
+{
+ int ret = -1;
+ gf_hdr_common_t *hdr = NULL;
+ size_t hdrlen = 0;
+ gf_fop_open_req_t *req = NULL;
+ size_t pathlen = 0;
+ ino_t ino = 0;
+ client_conf_t *conf = NULL;
+ client_local_t *local = NULL;
+
+ conf = this->private;
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame, default_open_cbk,
+ conf->child,
+ conf->child->fops->open,
+ loc, flags, fd);
+
+ return 0;
+ }
+
+ local = calloc (1, sizeof (*local));
+ GF_VALIDATE_OR_GOTO(this->name, local, unwind);
+
+ local->fd = fd_ref (fd);
+ loc_copy (&local->loc, loc);
+
+ frame->local = local;
+
+ pathlen = STRLEN_0(loc->path);
+ ino = this_ino_get (loc, this, GF_CLIENT_INODE_SELF);
+
+ hdrlen = gf_hdr_len (req, pathlen);
+ hdr = gf_hdr_new (req, pathlen);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->ino = hton64 (ino);
+ req->flags = hton32 (flags);
+ strcpy (req->path, loc->path);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_LOWLAT),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_OPEN,
+ hdr, hdrlen, NULL, 0, NULL);
+
+ return ret;
+unwind:
+ if (hdr)
+ free (hdr);
+ STACK_UNWIND(frame, -1, EINVAL, fd);
+ return 0;
+
+}
+
+
+/**
+ * client_stat - stat function for client protocol
+ * @frame: call frame
+ * @this: this translator structure
+ * @loc: location
+ *
+ * external reference through client_protocol_xlator->fops->stat
+ */
+int32_t
+client_stat (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_stat_req_t *req = NULL;
+ size_t hdrlen = -1;
+ int32_t ret = -1;
+ size_t pathlen = 0;
+ ino_t ino = 0;
+ client_conf_t *conf = this->private;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_stat_cbk,
+ conf->child,
+ conf->child->fops->stat,
+ loc);
+
+ return 0;
+ }
+
+ pathlen = STRLEN_0(loc->path);
+ ino = this_ino_get (loc, this, GF_CLIENT_INODE_SELF);
+
+ hdrlen = gf_hdr_len (req, pathlen);
+ hdr = gf_hdr_new (req, pathlen);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->ino = hton64 (ino);
+ strcpy (req->path, loc->path);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_LOWLAT),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_STAT,
+ hdr, hdrlen, NULL, 0, NULL);
+
+ return ret;
+unwind:
+ if (hdr)
+ free (hdr);
+ STACK_UNWIND(frame, -1, EINVAL, NULL);
+ return 0;
+
+}
+
+
+/**
+ * client_readlink - readlink function for client protocol
+ * @frame: call frame
+ * @this: this translator structure
+ * @loc: location
+ * @size:
+ *
+ * external reference through client_protocol_xlator->fops->readlink
+ */
+int32_t
+client_readlink (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc,
+ size_t size)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_readlink_req_t *req = NULL;
+ size_t hdrlen = -1;
+ int ret = -1;
+ size_t pathlen = 0;
+ ino_t ino = 0;
+ client_conf_t *conf = this->private;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_readlink_cbk,
+ conf->child,
+ conf->child->fops->readlink,
+ loc,
+ size);
+
+ return 0;
+ }
+
+ pathlen = STRLEN_0(loc->path);
+ ino = this_ino_get (loc, this, GF_CLIENT_INODE_SELF);
+
+ hdrlen = gf_hdr_len (req, pathlen);
+ hdr = gf_hdr_new (req, pathlen);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->ino = hton64 (ino);
+ req->size = hton32 (size);
+ strcpy (req->path, loc->path);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_LOWLAT),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_READLINK,
+ hdr, hdrlen, NULL, 0, NULL);
+
+ return ret;
+unwind:
+ if (hdr)
+ free (hdr);
+ STACK_UNWIND(frame, -1, EINVAL, NULL);
+ return 0;
+
+}
+
+
+/**
+ * client_mknod - mknod function for client protocol
+ * @frame: call frame
+ * @this: this translator structure
+ * @path: pathname of node
+ * @mode:
+ * @dev:
+ *
+ * external reference through client_protocol_xlator->fops->mknod
+ */
+int32_t
+client_mknod (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc,
+ mode_t mode,
+ dev_t dev)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_mknod_req_t *req = NULL;
+ size_t hdrlen = -1;
+ int ret = -1;
+ size_t pathlen = 0;
+ size_t baselen = 0;
+ ino_t par = 0;
+ client_conf_t *conf = this->private;
+ client_local_t *local = NULL;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_mknod_cbk,
+ conf->child,
+ conf->child->fops->mknod,
+ loc, mode, dev);
+
+ return 0;
+ }
+
+ local = calloc (1, sizeof (*local));
+ GF_VALIDATE_OR_GOTO(this->name, local, unwind);
+
+ loc_copy (&local->loc, loc);
+
+ frame->local = local;
+
+ pathlen = STRLEN_0(loc->path);
+ baselen = STRLEN_0(loc->name);
+ par = this_ino_get (loc, this, GF_CLIENT_INODE_PARENT);
+
+ hdrlen = gf_hdr_len (req, pathlen + baselen);
+ hdr = gf_hdr_new (req, pathlen + baselen);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->par = hton64 (par);
+ req->mode = hton32 (mode);
+ req->dev = hton64 (dev);
+ strcpy (req->path, loc->path);
+ strcpy (req->bname + pathlen, loc->name);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_LOWLAT),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_MKNOD,
+ hdr, hdrlen, NULL, 0, NULL);
+
+ return ret;
+unwind:
+ if (hdr)
+ free (hdr);
+ STACK_UNWIND(frame, -1, EINVAL, loc->inode, NULL);
+ return 0;
+
+}
+
+
+/**
+ * client_mkdir - mkdir function for client protocol
+ * @frame: call frame
+ * @this: this translator structure
+ * @path: pathname of directory
+ * @mode:
+ *
+ * external reference through client_protocol_xlator->fops->mkdir
+ */
+int32_t
+client_mkdir (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc,
+ mode_t mode)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_mkdir_req_t *req = NULL;
+ size_t hdrlen = -1;
+ int ret = -1;
+ size_t pathlen = 0;
+ size_t baselen = 0;
+ ino_t par = 0;
+ client_conf_t *conf = this->private;
+ client_local_t *local = NULL;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_mkdir_cbk,
+ conf->child,
+ conf->child->fops->mkdir,
+ loc, mode);
+
+ return 0;
+ }
+
+ local = calloc (1, sizeof (*local));
+ GF_VALIDATE_OR_GOTO(this->name, local, unwind);
+
+ loc_copy (&local->loc, loc);
+
+ frame->local = local;
+
+ pathlen = STRLEN_0(loc->path);
+ baselen = STRLEN_0(loc->name);
+ par = this_ino_get (loc, this, GF_CLIENT_INODE_PARENT);
+
+ hdrlen = gf_hdr_len (req, pathlen + baselen);
+ hdr = gf_hdr_new (req, pathlen + baselen);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->par = hton64 (par);
+ req->mode = hton32 (mode);
+ strcpy (req->path, loc->path);
+ strcpy (req->bname + pathlen, loc->name);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_LOWLAT),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_MKDIR,
+ hdr, hdrlen, NULL, 0, NULL);
+
+ return ret;
+unwind:
+ if (hdr)
+ free (hdr);
+ STACK_UNWIND(frame, -1, EINVAL, loc->inode, NULL);
+ return 0;
+
+}
+
+
+
+/**
+ * client_unlink - unlink function for client protocol
+ * @frame: call frame
+ * @this: this translator structure
+ * @loc: location of file
+ *
+ * external reference through client_protocol_xlator->fops->unlink
+ */
+int32_t
+client_unlink (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_unlink_req_t *req = NULL;
+ size_t hdrlen = -1;
+ int ret = -1;
+ size_t pathlen = 0;
+ size_t baselen = 0;
+ ino_t par = 0;
+ client_conf_t *conf = this->private;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_unlink_cbk,
+ conf->child,
+ conf->child->fops->unlink,
+ loc);
+
+ return 0;
+ }
+
+ pathlen = STRLEN_0(loc->path);
+ baselen = STRLEN_0(loc->name);
+ par = this_ino_get (loc, this, GF_CLIENT_INODE_PARENT);
+
+ hdrlen = gf_hdr_len (req, pathlen + baselen);
+ hdr = gf_hdr_new (req, pathlen + baselen);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->par = hton64 (par);
+ strcpy (req->path, loc->path);
+ strcpy (req->bname + pathlen, loc->name);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_BULK),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_UNLINK,
+ hdr, hdrlen, NULL, 0, NULL);
+
+ return ret;
+unwind:
+ if (hdr)
+ free (hdr);
+ STACK_UNWIND(frame, -1, EINVAL);
+ return 0;
+
+}
+
+/**
+ * client_rmdir - rmdir function for client protocol
+ * @frame: call frame
+ * @this: this translator structure
+ * @loc: location
+ *
+ * external reference through client_protocol_xlator->fops->rmdir
+ */
+int32_t
+client_rmdir (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_rmdir_req_t *req = NULL;
+ size_t hdrlen = -1;
+ int ret = -1;
+ size_t pathlen = 0;
+ size_t baselen = 0;
+ ino_t par = 0;
+ client_conf_t *conf = this->private;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_rmdir_cbk,
+ conf->child,
+ conf->child->fops->rmdir,
+ loc);
+
+ return 0;
+ }
+
+ pathlen = STRLEN_0(loc->path);
+ baselen = STRLEN_0(loc->name);
+ par = this_ino_get (loc, this, GF_CLIENT_INODE_PARENT);
+
+ hdrlen = gf_hdr_len (req, pathlen + baselen);
+ hdr = gf_hdr_new (req, pathlen + baselen);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->par = hton64 (par);
+ strcpy (req->path, loc->path);
+ strcpy (req->bname + pathlen, loc->name);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_BULK),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_RMDIR,
+ hdr, hdrlen, NULL, 0, NULL);
+
+ return ret;
+unwind:
+ if (hdr)
+ free (hdr);
+ STACK_UNWIND(frame, -1, EINVAL);
+ return 0;
+
+}
+
+
+
+/**
+ * client_symlink - symlink function for client protocol
+ * @frame: call frame
+ * @this: this translator structure
+ * @oldpath: pathname of target
+ * @newpath: pathname of symlink
+ *
+ * external reference through client_protocol_xlator->fops->symlink
+ */
+int32_t
+client_symlink (call_frame_t *frame,
+ xlator_t *this,
+ const char *linkname,
+ loc_t *loc)
+{
+ int ret = -1;
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_symlink_req_t *req = NULL;
+ size_t hdrlen = 0;
+ size_t pathlen = 0;
+ size_t newlen = 0;
+ size_t baselen = 0;
+ ino_t par = 0;
+ client_conf_t *conf = this->private;
+ client_local_t *local = NULL;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_symlink_cbk,
+ conf->child,
+ conf->child->fops->symlink,
+ linkname, loc);
+
+ return 0;
+ }
+
+ local = calloc (1, sizeof (*local));
+ GF_VALIDATE_OR_GOTO(this->name, local, unwind);
+
+ loc_copy (&local->loc, loc);
+
+ frame->local = local;
+
+ pathlen = STRLEN_0 (loc->path);
+ baselen = STRLEN_0 (loc->name);
+ newlen = STRLEN_0 (linkname);
+ par = this_ino_get (loc, this, GF_CLIENT_INODE_PARENT);
+
+ hdrlen = gf_hdr_len (req, pathlen + baselen + newlen);
+ hdr = gf_hdr_new (req, pathlen + baselen + newlen);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->par = hton64 (par);
+ strcpy (req->path, loc->path);
+ strcpy (req->bname + pathlen, loc->name);
+ strcpy (req->linkname + pathlen + baselen, linkname);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_LOWLAT),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_SYMLINK,
+ hdr, hdrlen, NULL, 0, NULL);
+ return ret;
+unwind:
+ if (hdr)
+ free (hdr);
+ STACK_UNWIND(frame, -1, EINVAL, loc->inode, NULL);
+ return 0;
+
+}
+
+
+/**
+ * client_rename - rename function for client protocol
+ * @frame: call frame
+ * @this: this translator structure
+ * @oldloc: location of old pathname
+ * @newloc: location of new pathname
+ *
+ * external reference through client_protocol_xlator->fops->rename
+ */
+int32_t
+client_rename (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *oldloc,
+ loc_t *newloc)
+{
+ int ret = -1;
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_rename_req_t *req = NULL;
+ size_t hdrlen = 0;
+ size_t oldpathlen = 0;
+ size_t oldbaselen = 0;
+ size_t newpathlen = 0;
+ size_t newbaselen = 0;
+ ino_t oldpar = 0;
+ ino_t newpar = 0;
+ client_conf_t *conf = this->private;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_rename_cbk,
+ conf->child,
+ conf->child->fops->rename,
+ oldloc, newloc);
+
+ return 0;
+ }
+
+ oldpathlen = STRLEN_0(oldloc->path);
+ oldbaselen = STRLEN_0(oldloc->name);
+ newpathlen = STRLEN_0(newloc->path);
+ newbaselen = STRLEN_0(newloc->name);
+ oldpar = this_ino_get (oldloc, this, GF_CLIENT_INODE_PARENT);
+ newpar = this_ino_get (newloc, this, GF_CLIENT_INODE_PARENT);
+
+ hdrlen = gf_hdr_len (req, (oldpathlen + oldbaselen +
+ newpathlen + newbaselen));
+ hdr = gf_hdr_new (req, (oldpathlen + oldbaselen +
+ newpathlen + newbaselen));
+
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->oldpar = hton64 (oldpar);
+ req->newpar = hton64 (newpar);
+
+ strcpy (req->oldpath, oldloc->path);
+ strcpy (req->oldbname + oldpathlen, oldloc->name);
+ strcpy (req->newpath + oldpathlen + oldbaselen, newloc->path);
+ strcpy (req->newbname + oldpathlen + oldbaselen + newpathlen,
+ newloc->name);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_LOWLAT),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_RENAME,
+ hdr, hdrlen, NULL, 0, NULL);
+ return ret;
+unwind:
+ if (hdr)
+ free (hdr);
+ STACK_UNWIND(frame, -1, EINVAL, NULL);
+ return 0;
+
+}
+
+
+
+/**
+ * client_link - link function for client protocol
+ * @frame: call frame
+ * @this: this translator structure
+ * @oldloc: location of old pathname
+ * @newpath: new pathname
+ *
+ * external reference through client_protocol_xlator->fops->link
+ */
+
+int32_t
+client_link (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *oldloc,
+ loc_t *newloc)
+{
+ int ret = -1;
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_link_req_t *req = NULL;
+ size_t hdrlen = 0;
+ size_t oldpathlen = 0;
+ size_t newpathlen = 0;
+ size_t newbaselen = 0;
+ ino_t oldino = 0;
+ ino_t newpar = 0;
+ client_conf_t *conf = this->private;
+ client_local_t *local = NULL;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_link_cbk,
+ conf->child,
+ conf->child->fops->link,
+ oldloc, newloc);
+
+ return 0;
+ }
+
+ local = calloc (1, sizeof (*local));
+ GF_VALIDATE_OR_GOTO(this->name, local, unwind);
+
+ loc_copy (&local->loc, oldloc);
+
+ frame->local = local;
+
+ oldpathlen = STRLEN_0(oldloc->path);
+ newpathlen = STRLEN_0(newloc->path);
+ newbaselen = STRLEN_0(newloc->name);
+ oldino = this_ino_get (oldloc, this, GF_CLIENT_INODE_SELF);
+ newpar = this_ino_get (newloc, this, GF_CLIENT_INODE_PARENT);
+
+ hdrlen = gf_hdr_len (req, oldpathlen + newpathlen + newbaselen);
+ hdr = gf_hdr_new (req, oldpathlen + newpathlen + newbaselen);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ strcpy (req->oldpath, oldloc->path);
+ strcpy (req->newpath + oldpathlen, newloc->path);
+ strcpy (req->newbname + oldpathlen + newpathlen, newloc->name);
+
+ req->oldino = hton64 (oldino);
+ req->newpar = hton64 (newpar);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_LOWLAT),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_LINK,
+ hdr, hdrlen, NULL, 0, NULL);
+ return ret;
+unwind:
+ if (hdr)
+ free (hdr);
+ STACK_UNWIND(frame, -1, EINVAL, oldloc->inode, NULL);
+ return 0;
+}
+
+
+
+/**
+ * client_chmod - chmod function for client protocol
+ * @frame: call frame
+ * @this: this translator structure
+ * @loc: location
+ * @mode:
+ *
+ * external reference through client_protocol_xlator->fops->chmod
+ */
+int32_t
+client_chmod (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc,
+ mode_t mode)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_chmod_req_t *req = NULL;
+ size_t hdrlen = -1;
+ int ret = -1;
+ size_t pathlen = 0;
+ ino_t ino = 0;
+ client_conf_t *conf = this->private;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_chmod_cbk,
+ conf->child,
+ conf->child->fops->chmod,
+ loc,
+ mode);
+
+ return 0;
+ }
+
+ pathlen = STRLEN_0(loc->path);
+ ino = this_ino_get (loc, this, GF_CLIENT_INODE_SELF);
+
+ hdrlen = gf_hdr_len (req, pathlen);
+ hdr = gf_hdr_new (req, pathlen);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->ino = hton64 (ino);
+ req->mode = hton32 (mode);
+ strcpy (req->path, loc->path);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_LOWLAT),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_CHMOD,
+ hdr, hdrlen, NULL, 0, NULL);
+
+ return ret;
+unwind:
+ if (hdr)
+ free (hdr);
+ STACK_UNWIND(frame, -1, EINVAL, NULL);
+ return 0;
+
+}
+
+
+/**
+ * client_chown - chown function for client protocol
+ * @frame: call frame
+ * @this: this translator structure
+ * @loc: location
+ * @uid: uid of new owner
+ * @gid: gid of new owner group
+ *
+ * external reference through client_protocol_xlator->fops->chown
+ */
+int32_t
+client_chown (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc,
+ uid_t uid,
+ gid_t gid)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_chown_req_t *req = NULL;
+ size_t hdrlen = -1;
+ int ret = -1;
+ size_t pathlen = 0;
+ ino_t ino = 0;
+ client_conf_t *conf = this->private;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_chown_cbk,
+ conf->child,
+ conf->child->fops->chown,
+ loc,
+ uid,
+ gid);
+
+ return 0;
+ }
+
+ pathlen = STRLEN_0(loc->path);
+ ino = this_ino_get (loc, this, GF_CLIENT_INODE_SELF);
+
+ hdrlen = gf_hdr_len (req, pathlen);
+ hdr = gf_hdr_new (req, pathlen);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->ino = hton64 (ino);
+ req->uid = hton32 (uid);
+ req->gid = hton32 (gid);
+ strcpy (req->path, loc->path);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_LOWLAT),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_CHOWN,
+ hdr, hdrlen, NULL, 0, NULL);
+
+ return ret;
+unwind:
+ if (hdr)
+ free (hdr);
+ STACK_UNWIND(frame, -1, EINVAL, NULL);
+ return 0;
+
+}
+
+/**
+ * client_truncate - truncate function for client protocol
+ * @frame: call frame
+ * @this: this translator structure
+ * @loc: location
+ * @offset:
+ *
+ * external reference through client_protocol_xlator->fops->truncate
+ */
+int32_t
+client_truncate (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc,
+ off_t offset)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_truncate_req_t *req = NULL;
+ size_t hdrlen = -1;
+ int ret = -1;
+ size_t pathlen = 0;
+ ino_t ino = 0;
+ client_conf_t *conf = this->private;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_truncate_cbk,
+ conf->child,
+ conf->child->fops->truncate,
+ loc,
+ offset);
+
+ return 0;
+ }
+
+ pathlen = STRLEN_0(loc->path);
+ ino = this_ino_get (loc, this, GF_CLIENT_INODE_SELF);
+
+ hdrlen = gf_hdr_len (req, pathlen);
+ hdr = gf_hdr_new (req, pathlen);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->ino = hton64 (ino);
+ req->offset = hton64 (offset);
+ strcpy (req->path, loc->path);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_BULK),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_TRUNCATE,
+ hdr, hdrlen, NULL, 0, NULL);
+
+ return ret;
+unwind:
+ if (hdr)
+ free (hdr);
+ STACK_UNWIND(frame, -1, EINVAL, NULL);
+ return 0;
+
+}
+
+
+
+/**
+ * client_utimes - utimes function for client protocol
+ * @frame: call frame
+ * @this: this translator structure
+ * @loc: location
+ * @tvp:
+ *
+ * external reference through client_protocol_xlator->fops->utimes
+ */
+int32_t
+client_utimens (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc,
+ struct timespec *tvp)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_utimens_req_t *req = NULL;
+ size_t hdrlen = -1;
+ int ret = -1;
+ size_t pathlen = 0;
+ ino_t ino = 0;
+ client_conf_t *conf = this->private;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_utimens_cbk,
+ conf->child,
+ conf->child->fops->utimens,
+ loc,
+ tvp);
+
+ return 0;
+ }
+
+ pathlen = STRLEN_0(loc->path);
+ ino = this_ino_get (loc, this, GF_CLIENT_INODE_SELF);
+
+ hdrlen = gf_hdr_len (req, pathlen);
+ hdr = gf_hdr_new (req, pathlen);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->ino = hton64 (ino);
+ gf_timespec_from_timespec (req->tv, tvp);
+ strcpy (req->path, loc->path);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_LOWLAT),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_UTIMENS,
+ hdr, hdrlen, NULL, 0, NULL);
+
+ return ret;
+unwind:
+ if (hdr)
+ free (hdr);
+ STACK_UNWIND(frame, -1, EINVAL, NULL);
+ return 0;
+
+}
+
+
+
+/**
+ * client_readv - readv function for client protocol
+ * @frame: call frame
+ * @this: this translator structure
+ * @fd: file descriptor structure
+ * @size:
+ * @offset:
+ *
+ * external reference through client_protocol_xlator->fops->readv
+ */
+int32_t
+client_readv (call_frame_t *frame,
+ xlator_t *this,
+ fd_t *fd,
+ size_t size,
+ off_t offset)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_read_req_t *req = NULL;
+ size_t hdrlen = 0;
+ int64_t remote_fd = -1;
+ int ret = -1;
+ client_conf_t *conf = this->private;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_readv_cbk,
+ conf->child,
+ conf->child->fops->readv,
+ fd,
+ size,
+ offset);
+
+ return 0;
+ }
+
+ ret = this_fd_get (fd, this, &remote_fd);
+ if (ret == -1) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "(%"PRId64"): failed to get remote fd, returning EBADFD",
+ fd->inode->ino);
+ STACK_UNWIND (frame, -1, EBADFD, NULL, 0, NULL);
+ return 0;
+ }
+
+ hdrlen = gf_hdr_len (req, 0);
+ hdr = gf_hdr_new (req, 0);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->fd = hton64 (remote_fd);
+ req->size = hton32 (size);
+ req->offset = hton64 (offset);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_BULK),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_READ,
+ hdr, hdrlen, NULL, 0, NULL);
+
+ return 0;
+unwind:
+ if (hdr)
+ free (hdr);
+ STACK_UNWIND(frame, -1, EINVAL, NULL, 0, NULL);
+ return 0;
+
+}
+
+
+/**
+ * client_writev - writev function for client protocol
+ * @frame: call frame
+ * @this: this translator structure
+ * @fd: file descriptor structure
+ * @vector:
+ * @count:
+ * @offset:
+ *
+ * external reference through client_protocol_xlator->fops->writev
+ */
+int32_t
+client_writev (call_frame_t *frame,
+ xlator_t *this,
+ fd_t *fd,
+ struct iovec *vector,
+ int32_t count,
+ off_t offset)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_write_req_t *req = NULL;
+ size_t hdrlen = 0;
+ int64_t remote_fd = -1;
+ int ret = -1;
+ client_conf_t *conf = this->private;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_writev_cbk,
+ conf->child,
+ conf->child->fops->writev,
+ fd,
+ vector,
+ count,
+ offset);
+
+ return 0;
+ }
+
+ ret = this_fd_get (fd, this, &remote_fd);
+ if (ret == -1) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "(%"PRId64"): failed to get remote fd. returning EBADFD",
+ fd->inode->ino);
+ STACK_UNWIND (frame, -1, EBADFD, NULL);
+ return 0;
+ }
+
+ hdrlen = gf_hdr_len (req, 0);
+ hdr = gf_hdr_new (req, 0);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->fd = hton64 (remote_fd);
+ req->size = hton32 (iov_length (vector, count));
+ req->offset = hton64 (offset);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_BULK),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_WRITE,
+ hdr, hdrlen, vector, count,
+ frame->root->req_refs);
+
+ return ret;
+unwind:
+ if (hdr)
+ free (hdr);
+ STACK_UNWIND(frame, -1, EINVAL, NULL);
+ return 0;
+
+}
+
+
+/**
+ * client_statfs - statfs function for client protocol
+ * @frame: call frame
+ * @this: this translator structure
+ * @loc: location
+ *
+ * external reference through client_protocol_xlator->fops->statfs
+ */
+int32_t
+client_statfs (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_statfs_req_t *req = NULL;
+ size_t hdrlen = -1;
+ int ret = -1;
+ size_t pathlen = 0;
+ ino_t ino = 0;
+ client_conf_t *conf = this->private;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_statfs_cbk,
+ conf->child,
+ conf->child->fops->statfs,
+ loc);
+
+ return 0;
+ }
+
+ pathlen = STRLEN_0(loc->path);
+ ino = this_ino_get (loc, this, GF_CLIENT_INODE_SELF);
+
+ hdrlen = gf_hdr_len (req, pathlen);
+ hdr = gf_hdr_new (req, pathlen);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->ino = hton64 (ino);
+ strcpy (req->path, loc->path);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_LOWLAT),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_STATFS,
+ hdr, hdrlen, NULL, 0, NULL);
+
+ return ret;
+unwind:
+ if (hdr)
+ free (hdr);
+ STACK_UNWIND(frame, -1, EINVAL, NULL);
+ return 0;
+
+}
+
+
+/**
+ * client_flush - flush function for client protocol
+ * @frame: call frame
+ * @this: this translator structure
+ * @fd: file descriptor structure
+ *
+ * external reference through client_protocol_xlator->fops->flush
+ */
+
+int32_t
+client_flush (call_frame_t *frame,
+ xlator_t *this,
+ fd_t *fd)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_flush_req_t *req = NULL;
+ size_t hdrlen = 0;
+ int64_t remote_fd = -1;
+ int ret = -1;
+ client_conf_t *conf = this->private;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_flush_cbk,
+ conf->child,
+ conf->child->fops->flush,
+ fd);
+
+ return 0;
+ }
+
+ ret = this_fd_get (fd, this, &remote_fd);
+ if (ret == -1) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "(%"PRId64"): failed to get remote fd. returning EBADFD",
+ fd->inode->ino);
+ STACK_UNWIND (frame, -1, EBADFD);
+ return 0;
+ }
+
+ hdrlen = gf_hdr_len (req, 0);
+ hdr = gf_hdr_new (req, 0);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->fd = hton64 (remote_fd);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_BULK),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_FLUSH,
+ hdr, hdrlen, NULL, 0, NULL);
+
+ return 0;
+unwind:
+ if (hdr)
+ free (hdr);
+ STACK_UNWIND(frame, -1, EINVAL);
+ return 0;
+
+}
+
+
+
+
+/**
+ * client_fsync - fsync function for client protocol
+ * @frame: call frame
+ * @this: this translator structure
+ * @fd: file descriptor structure
+ * @flags:
+ *
+ * external reference through client_protocol_xlator->fops->fsync
+ */
+
+int32_t
+client_fsync (call_frame_t *frame,
+ xlator_t *this,
+ fd_t *fd,
+ int32_t flags)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_fsync_req_t *req = NULL;
+ size_t hdrlen = 0;
+ int64_t remote_fd = -1;
+ int32_t ret = -1;
+ client_conf_t *conf = this->private;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_fsync_cbk,
+ conf->child,
+ conf->child->fops->fsync,
+ fd,
+ flags);
+
+ return 0;
+ }
+
+ ret = this_fd_get (fd, this, &remote_fd);
+ if (ret == -1) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "(%"PRId64"): failed to get remote fd. returning EBADFD",
+ fd->inode->ino);
+ STACK_UNWIND(frame, -1, EBADFD);
+ return 0;
+ }
+
+ hdrlen = gf_hdr_len (req, 0);
+ hdr = gf_hdr_new (req, 0);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->fd = hton64 (remote_fd);
+ req->data = hton32 (flags);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_BULK),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_FSYNC,
+ hdr, hdrlen, NULL, 0, NULL);
+
+ return ret;
+unwind:
+ if (hdr)
+ free (hdr);
+ STACK_UNWIND(frame, -1, EINVAL);
+ return 0;
+
+}
+
+int32_t
+client_xattrop (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc,
+ gf_xattrop_flags_t flags,
+ dict_t *dict)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_xattrop_req_t *req = NULL;
+ size_t hdrlen = 0;
+ size_t dict_len = 0;
+ int32_t ret = -1;
+ size_t pathlen = 0;
+ ino_t ino = 0;
+ client_conf_t *conf = NULL;
+
+ GF_VALIDATE_OR_GOTO("client", this, unwind);
+
+ conf = this->private;
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_xattrop_cbk,
+ conf->child,
+ conf->child->fops->xattrop,
+ loc,
+ flags,
+ dict);
+
+ return 0;
+ }
+
+ GF_VALIDATE_OR_GOTO(this->name, loc, unwind);
+
+ if (dict) {
+ dict_len = dict_serialized_length (dict);
+ if (dict_len < 0) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "failed to get serialized length of dict(%p)",
+ dict);
+ goto unwind;
+ }
+ }
+
+ pathlen = STRLEN_0(loc->path);
+ ino = this_ino_get (loc, this, GF_CLIENT_INODE_SELF);
+
+ hdrlen = gf_hdr_len (req, dict_len + pathlen);
+ hdr = gf_hdr_new (req, dict_len + pathlen);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->flags = hton32 (flags);
+ req->dict_len = hton32 (dict_len);
+ if (dict) {
+ ret = dict_serialize (dict, req->dict);
+ if (ret < 0) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "failed to serialize dictionary(%p)",
+ dict);
+ goto unwind;
+ }
+ }
+ req->ino = hton64 (ino);
+ strcpy (req->path + dict_len, loc->path);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_BULK),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_XATTROP,
+ hdr, hdrlen, NULL, 0, NULL);
+ return ret;
+unwind:
+ if (hdr)
+ free (hdr);
+
+ STACK_UNWIND(frame, -1, EINVAL, NULL);
+ return 0;
+}
+
+
+int32_t
+client_fxattrop (call_frame_t *frame,
+ xlator_t *this,
+ fd_t *fd,
+ gf_xattrop_flags_t flags,
+ dict_t *dict)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_fxattrop_req_t *req = NULL;
+ size_t hdrlen = 0;
+ size_t dict_len = 0;
+ int64_t remote_fd = -1;
+ int32_t ret = -1;
+ ino_t ino = 0;
+ client_conf_t *conf = this->private;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_fxattrop_cbk,
+ conf->child,
+ conf->child->fops->fxattrop,
+ fd,
+ flags,
+ dict);
+
+ return 0;
+ }
+
+ if (dict) {
+ dict_len = dict_serialized_length (dict);
+ if (dict_len < 0) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "failed to get serialized length of dict(%p)",
+ dict);
+ goto unwind;
+ }
+ }
+
+ if (fd) {
+ ret = this_fd_get (fd, this, &remote_fd);
+ if (ret == -1) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "(%"PRId64"): failed to get remote fd. returning EBADFD",
+ fd->inode->ino);
+ goto unwind;
+ }
+ ino = fd->inode->ino;
+ }
+
+ hdrlen = gf_hdr_len (req, dict_len);
+ hdr = gf_hdr_new (req, dict_len);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->flags = hton32 (flags);
+ req->dict_len = hton32 (dict_len);
+ if (dict) {
+ ret = dict_serialize (dict, req->dict);
+ if (ret < 0) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "failed to serialize dictionary(%p)",
+ dict);
+ goto unwind;
+ }
+ }
+ req->fd = hton64 (remote_fd);
+ req->ino = hton64 (ino);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_BULK),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_FXATTROP,
+ hdr, hdrlen, NULL, 0, NULL);
+ return ret;
+unwind:
+ if (hdr)
+ free (hdr);
+
+ STACK_UNWIND (frame, -1, EBADFD, NULL);
+ return 0;
+
+}
+
+
+/**
+ * client_setxattr - setxattr function for client protocol
+ * @frame: call frame
+ * @this: this translator structure
+ * @loc: location
+ * @dict: dictionary which contains key:value to be set.
+ * @flags:
+ *
+ * external reference through client_protocol_xlator->fops->setxattr
+ */
+int32_t
+client_setxattr (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc,
+ dict_t *dict,
+ int32_t flags)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_setxattr_req_t *req = NULL;
+ size_t hdrlen = 0;
+ size_t dict_len = 0;
+ int ret = -1;
+ size_t pathlen = 0;
+ ino_t ino = 0;
+ client_conf_t *conf = this->private;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_setxattr_cbk,
+ conf->child,
+ conf->child->fops->setxattr,
+ loc,
+ dict,
+ flags);
+
+ return 0;
+ }
+
+ dict_len = dict_serialized_length (dict);
+ if (dict_len < 0) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "failed to get serialized length of dict(%p)",
+ dict);
+ goto unwind;
+ }
+
+ pathlen = STRLEN_0(loc->path);
+ ino = this_ino_get (loc, this, GF_CLIENT_INODE_SELF);
+
+ hdrlen = gf_hdr_len (req, dict_len + pathlen);
+ hdr = gf_hdr_new (req, dict_len + pathlen);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->ino = hton64 (ino);
+ req->flags = hton32 (flags);
+ req->dict_len = hton32 (dict_len);
+
+ ret = dict_serialize (dict, req->dict);
+ if (ret < 0) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "failed to serialize dictionary(%p)",
+ dict);
+ goto unwind;
+ }
+
+ strcpy (req->path + dict_len, loc->path);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_BULK),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_SETXATTR,
+ hdr, hdrlen, NULL, 0, NULL);
+ return ret;
+unwind:
+ if (hdr)
+ free (hdr);
+
+ STACK_UNWIND(frame, -1, EINVAL);
+ return 0;
+}
+
+/**
+ * client_getxattr - getxattr function for client protocol
+ * @frame: call frame
+ * @this: this translator structure
+ * @loc: location structure
+ *
+ * external reference through client_protocol_xlator->fops->getxattr
+ */
+int32_t
+client_getxattr (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc,
+ const char *name)
+{
+ int ret = -1;
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_getxattr_req_t *req = NULL;
+ size_t hdrlen = 0;
+ size_t pathlen = 0;
+ size_t namelen = 0;
+ ino_t ino = 0;
+ client_conf_t *conf = this->private;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_getxattr_cbk,
+ conf->child,
+ conf->child->fops->getxattr,
+ loc,
+ name);
+
+ return 0;
+ }
+
+ pathlen = STRLEN_0(loc->path);
+ if (name)
+ namelen = STRLEN_0(name);
+
+ ino = this_ino_get (loc, this, GF_CLIENT_INODE_SELF);
+
+ hdrlen = gf_hdr_len (req, pathlen + namelen);
+ hdr = gf_hdr_new (req, pathlen + namelen);
+ GF_VALIDATE_OR_GOTO(frame->this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->ino = hton64 (ino);
+ req->namelen = hton32 (namelen);
+ strcpy (req->path, loc->path);
+ if (name)
+ strcpy (req->name + pathlen, name);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_LOWLAT),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_GETXATTR,
+ hdr, hdrlen, NULL, 0, NULL);
+ return ret;
+unwind:
+ if (hdr)
+ free (hdr);
+
+ STACK_UNWIND(frame, -1, EINVAL, NULL);
+ return 0;
+}
+
+/**
+ * client_removexattr - removexattr function for client protocol
+ * @frame: call frame
+ * @this: this translator structure
+ * @loc: location structure
+ * @name:
+ *
+ * external reference through client_protocol_xlator->fops->removexattr
+ */
+int32_t
+client_removexattr (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc,
+ const char *name)
+{
+ int ret = -1;
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_removexattr_req_t *req = NULL;
+ size_t hdrlen = 0;
+ size_t namelen = 0;
+ size_t pathlen = 0;
+ ino_t ino = 0;
+ client_conf_t *conf = this->private;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_removexattr_cbk,
+ conf->child,
+ conf->child->fops->removexattr,
+ loc,
+ name);
+
+ return 0;
+ }
+
+ pathlen = STRLEN_0(loc->path);
+ namelen = STRLEN_0(name);
+ ino = this_ino_get (loc, this, GF_CLIENT_INODE_SELF);
+
+ hdrlen = gf_hdr_len (req, pathlen + namelen);
+ hdr = gf_hdr_new (req, pathlen + namelen);
+ GF_VALIDATE_OR_GOTO(frame->this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->ino = hton64 (ino);
+ strcpy (req->path, loc->path);
+ strcpy (req->name + pathlen, name);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_LOWLAT),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_REMOVEXATTR,
+ hdr, hdrlen, NULL, 0, NULL);
+ return ret;
+unwind:
+ if (hdr)
+ free (hdr);
+ STACK_UNWIND(frame, -1, EINVAL);
+ return 0;
+}
+
+
+/**
+ * client_opendir - opendir function for client protocol
+ * @frame: call frame
+ * @this: this translator structure
+ * @loc: location structure
+ *
+ * external reference through client_protocol_xlator->fops->opendir
+ */
+int32_t
+client_opendir (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc,
+ fd_t *fd)
+{
+ gf_fop_opendir_req_t *req = NULL;
+ gf_hdr_common_t *hdr = NULL;
+ size_t hdrlen = 0;
+ int ret = -1;
+ ino_t ino = 0;
+ size_t pathlen = 0;
+ client_conf_t *conf = this->private;
+ client_local_t *local = NULL;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_opendir_cbk,
+ conf->child,
+ conf->child->fops->opendir,
+ loc, fd);
+
+ return 0;
+ }
+
+ local = calloc (1, sizeof (*local));
+ GF_VALIDATE_OR_GOTO(this->name, local, unwind);
+
+ loc_copy (&local->loc, loc);
+ local->fd = fd_ref (fd);
+
+ frame->local = local;
+
+ ino = this_ino_get (loc, this, GF_CLIENT_INODE_SELF);
+ pathlen = STRLEN_0(loc->path);
+
+ hdrlen = gf_hdr_len (req, pathlen);
+ hdr = gf_hdr_new (req, pathlen);
+ GF_VALIDATE_OR_GOTO(frame->this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->ino = hton64 (ino);
+ strcpy (req->path, loc->path);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_LOWLAT),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_OPENDIR,
+ hdr, hdrlen, NULL, 0, NULL);
+
+ return ret;
+unwind:
+ if (hdr)
+ free (hdr);
+ STACK_UNWIND(frame, -1, EINVAL, fd);
+ return 0;
+
+}
+
+
+/**
+ * client_readdir - readdir function for client protocol
+ * @frame: call frame
+ * @this: this translator structure
+ *
+ * external reference through client_protocol_xlator->fops->readdir
+ */
+
+int32_t
+client_getdents (call_frame_t *frame,
+ xlator_t *this,
+ fd_t *fd,
+ size_t size,
+ off_t offset,
+ int32_t flag)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_getdents_req_t *req = NULL;
+ size_t hdrlen = 0;
+ int64_t remote_fd = -1;
+ int ret = -1;
+ client_conf_t *conf = this->private;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_getdents_cbk,
+ conf->child,
+ conf->child->fops->getdents,
+ fd,
+ size,
+ offset,
+ flag);
+
+ return 0;
+ }
+
+ ret = this_fd_get (fd, this, &remote_fd);
+ if (ret == -1) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "(%"PRId64"): failed to get remote fd. returning EBADFD",
+ fd->inode->ino);
+ STACK_UNWIND (frame, -1, EBADFD, NULL);
+ return 0;
+ }
+
+ hdrlen = gf_hdr_len (req, 0);
+ hdr = gf_hdr_new (req, 0);
+ GF_VALIDATE_OR_GOTO(frame->this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+ GF_VALIDATE_OR_GOTO(frame->this->name, hdr, unwind);
+
+ req->fd = hton64 (remote_fd);
+ req->size = hton32 (size);
+ req->offset = hton64 (offset);
+ req->flags = hton32 (flag);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_BULK),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_GETDENTS,
+ hdr, hdrlen, NULL, 0, NULL);
+
+ return 0;
+unwind:
+ STACK_UNWIND(frame, -1, EINVAL, NULL, 0);
+ return 0;
+}
+
+/**
+ * client_readdir - readdir function for client protocol
+ * @frame: call frame
+ * @this: this translator structure
+ *
+ * external reference through client_protocol_xlator->fops->readdir
+ */
+
+int32_t
+client_readdir (call_frame_t *frame,
+ xlator_t *this,
+ fd_t *fd,
+ size_t size,
+ off_t offset)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_readdir_req_t *req = NULL;
+ size_t hdrlen = 0;
+ int64_t remote_fd = -1;
+ int ret = -1;
+ client_conf_t *conf = this->private;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_readdir_cbk,
+ conf->child,
+ conf->child->fops->readdir,
+ fd, size, offset);
+
+ return 0;
+ }
+
+ ret = this_fd_get (fd, this, &remote_fd);
+ if (ret == -1) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "(%"PRId64"): failed to get remote fd. returning EBADFD",
+ fd->inode->ino);
+ goto unwind;
+ }
+
+ hdrlen = gf_hdr_len (req, 0);
+ hdr = gf_hdr_new (req, 0);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req->fd = hton64 (remote_fd);
+ req->size = hton32 (size);
+ req->offset = hton64 (offset);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_LOWLAT),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_READDIR,
+ hdr, hdrlen, NULL, 0, NULL);
+
+ return 0;
+unwind:
+ if (hdr)
+ free (hdr);
+ STACK_UNWIND (frame, -1, EBADFD, NULL);
+ return 0;
+
+}
+
+
+
+/**
+ * client_fsyncdir - fsyncdir function for client protocol
+ * @frame: call frame
+ * @this: this translator structure
+ * @fd: file descriptor structure
+ * @flags:
+ *
+ * external reference through client_protocol_xlator->fops->fsyncdir
+ */
+
+int32_t
+client_fsyncdir (call_frame_t *frame,
+ xlator_t *this,
+ fd_t *fd,
+ int32_t flags)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_fsyncdir_req_t *req = NULL;
+ size_t hdrlen = 0;
+ int64_t remote_fd = -1;
+ int32_t ret = -1;
+ client_conf_t *conf = this->private;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_fsyncdir_cbk,
+ conf->child,
+ conf->child->fops->fsyncdir,
+ fd,
+ flags);
+
+ return 0;
+ }
+
+ ret = this_fd_get (fd, this, &remote_fd);
+ if (ret == -1) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "(%"PRId64"): failed to get remote fd. returning EBADFD",
+ fd->inode->ino);
+ goto unwind;
+ }
+
+ hdrlen = gf_hdr_len (req, 0);
+ hdr = gf_hdr_new (req, 0);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->data = hton32 (flags);
+ req->fd = hton64 (remote_fd);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_BULK),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_FSYNCDIR,
+ hdr, hdrlen, NULL, 0, NULL);
+
+ return ret;
+unwind:
+ STACK_UNWIND (frame, -1, EBADFD);
+ return 0;
+}
+
+
+/**
+ * client_access - access function for client protocol
+ * @frame: call frame
+ * @this: this translator structure
+ * @loc: location structure
+ * @mode:
+ *
+ * external reference through client_protocol_xlator->fops->access
+ */
+int32_t
+client_access (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc,
+ int32_t mask)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_access_req_t *req = NULL;
+ size_t hdrlen = -1;
+ int ret = -1;
+ ino_t ino = 0;
+ size_t pathlen = 0;
+ client_conf_t *conf = this->private;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_access_cbk,
+ conf->child,
+ conf->child->fops->access,
+ loc,
+ mask);
+
+ return 0;
+ }
+
+ ino = this_ino_get (loc, this, GF_CLIENT_INODE_SELF);
+ pathlen = STRLEN_0(loc->path);
+
+ hdrlen = gf_hdr_len (req, pathlen);
+ hdr = gf_hdr_new (req, pathlen);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->ino = hton64 (ino);
+ req->mask = hton32 (mask);
+ strcpy (req->path, loc->path);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_LOWLAT),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_ACCESS,
+ hdr, hdrlen, NULL, 0, NULL);
+
+ return ret;
+unwind:
+ if (hdr)
+ free (hdr);
+
+ STACK_UNWIND(frame, -1, EINVAL);
+ return 0;
+
+}
+
+
+/**
+ * client_ftrucate - ftruncate function for client protocol
+ * @frame: call frame
+ * @this: this translator structure
+ * @fd: file descriptor structure
+ * @offset: offset to truncate to
+ *
+ * external reference through client_protocol_xlator->fops->ftruncate
+ */
+
+int32_t
+client_ftruncate (call_frame_t *frame,
+ xlator_t *this,
+ fd_t *fd,
+ off_t offset)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_ftruncate_req_t *req = NULL;
+ int64_t remote_fd = -1;
+ size_t hdrlen = -1;
+ int ret = -1;
+ client_conf_t *conf = this->private;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_ftruncate_cbk,
+ conf->child,
+ conf->child->fops->ftruncate,
+ fd,
+ offset);
+
+ return 0;
+ }
+
+ ret = this_fd_get (fd, this, &remote_fd);
+ if (ret == -1) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "(%"PRId64"): failed to get remote fd. returning EBADFD",
+ fd->inode->ino);
+ STACK_UNWIND (frame, -1, EBADFD, NULL);
+ return 0;
+ }
+
+ hdrlen = gf_hdr_len (req, 0);
+ hdr = gf_hdr_new (req, 0);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->fd = hton64 (remote_fd);
+ req->offset = hton64 (offset);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_BULK),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_FTRUNCATE,
+ hdr, hdrlen, NULL, 0, NULL);
+
+ return ret;
+unwind:
+ if (hdr)
+ free (hdr);
+
+ STACK_UNWIND(frame, -1, EINVAL, NULL);
+ return 0;
+
+}
+
+
+/**
+ * client_fstat - fstat function for client protocol
+ * @frame: call frame
+ * @this: this translator structure
+ * @fd: file descriptor structure
+ *
+ * external reference through client_protocol_xlator->fops->fstat
+ */
+
+int32_t
+client_fstat (call_frame_t *frame,
+ xlator_t *this,
+ fd_t *fd)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_fstat_req_t *req = NULL;
+ int64_t remote_fd = -1;
+ size_t hdrlen = -1;
+ int ret = -1;
+ client_conf_t *conf = this->private;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_fstat_cbk,
+ conf->child,
+ conf->child->fops->fstat,
+ fd);
+
+ return 0;
+ }
+
+ ret = this_fd_get (fd, this, &remote_fd);
+ if (ret == -1) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "(%"PRId64"): failed to get remote fd. returning EBADFD",
+ fd->inode->ino);
+ STACK_UNWIND (frame, -1, EBADFD, NULL);
+ return 0;
+ }
+
+ hdrlen = gf_hdr_len (req, 0);
+ hdr = gf_hdr_new (req, 0);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->fd = hton64 (remote_fd);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_BULK),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_FSTAT,
+ hdr, hdrlen, NULL, 0, NULL);
+
+ return ret;
+unwind:
+ if (hdr)
+ free (hdr);
+
+ STACK_UNWIND(frame, -1, EINVAL, NULL);
+ return 0;
+
+}
+
+
+/**
+ * client_lk - lk function for client protocol
+ * @frame: call frame
+ * @this: this translator structure
+ * @fd: file descriptor structure
+ * @cmd: lock command
+ * @lock:
+ *
+ * external reference through client_protocol_xlator->fops->lk
+ */
+int32_t
+client_lk (call_frame_t *frame,
+ xlator_t *this,
+ fd_t *fd,
+ int32_t cmd,
+ struct flock *flock)
+{
+ int ret = -1;
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_lk_req_t *req = NULL;
+ size_t hdrlen = 0;
+ int64_t remote_fd = -1;
+ int32_t gf_cmd = 0;
+ int32_t gf_type = 0;
+ client_conf_t *conf = this->private;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_lk_cbk,
+ conf->child,
+ conf->child->fops->lk,
+ fd,
+ cmd,
+ flock);
+
+ return 0;
+ }
+
+ ret = this_fd_get (fd, this, &remote_fd);
+ if (ret == -1) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "(%"PRId64"): failed to get remote fd. returning EBADFD",
+ fd->inode->ino);
+ STACK_UNWIND(frame, -1, EBADFD, NULL);
+ return 0;
+ }
+
+ if (cmd == F_GETLK || cmd == F_GETLK64)
+ gf_cmd = GF_LK_GETLK;
+ else if (cmd == F_SETLK || cmd == F_SETLK64)
+ gf_cmd = GF_LK_SETLK;
+ else if (cmd == F_SETLKW || cmd == F_SETLKW64)
+ gf_cmd = GF_LK_SETLKW;
+ else {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Unknown cmd (%d)!", gf_cmd);
+ goto unwind;
+ }
+
+ switch (flock->l_type) {
+ case F_RDLCK:
+ gf_type = GF_LK_F_RDLCK;
+ break;
+ case F_WRLCK:
+ gf_type = GF_LK_F_WRLCK;
+ break;
+ case F_UNLCK:
+ gf_type = GF_LK_F_UNLCK;
+ break;
+ }
+
+ hdrlen = gf_hdr_len (req, 0);
+ hdr = gf_hdr_new (req, 0);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->fd = hton64 (remote_fd);
+ req->cmd = hton32 (gf_cmd);
+ req->type = hton32 (gf_type);
+ gf_flock_from_flock (&req->flock, flock);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_BULK),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_LK,
+ hdr, hdrlen, NULL, 0, NULL);
+ return ret;
+unwind:
+ if (hdr)
+ free (hdr);
+
+ STACK_UNWIND(frame, -1, EINVAL, NULL);
+ return 0;
+}
+
+
+/**
+ * client_inodelk - inodelk function for client protocol
+ * @frame: call frame
+ * @this: this translator structure
+ * @inode: inode structure
+ * @cmd: lock command
+ * @lock: flock struct
+ *
+ * external reference through client_protocol_xlator->fops->inodelk
+ */
+int32_t
+client_inodelk (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc,
+ int32_t cmd,
+ struct flock *flock)
+{
+ int ret = -1;
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_inodelk_req_t *req = NULL;
+ size_t hdrlen = 0;
+ int32_t gf_cmd = 0;
+ int32_t gf_type = 0;
+ ino_t ino = 0;
+ size_t pathlen = 0;
+ client_conf_t *conf = this->private;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_inodelk_cbk,
+ conf->child,
+ conf->child->fops->inodelk,
+ loc, cmd, flock);
+
+ return 0;
+ }
+
+ pathlen = STRLEN_0(loc->path);
+ ino = this_ino_get (loc, this, GF_CLIENT_INODE_SELF);
+
+ if (cmd == F_GETLK || cmd == F_GETLK64)
+ gf_cmd = GF_LK_GETLK;
+ else if (cmd == F_SETLK || cmd == F_SETLK64)
+ gf_cmd = GF_LK_SETLK;
+ else if (cmd == F_SETLKW || cmd == F_SETLKW64)
+ gf_cmd = GF_LK_SETLKW;
+ else {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Unknown cmd (%d)!", gf_cmd);
+ goto unwind;
+ }
+
+ switch (flock->l_type) {
+ case F_RDLCK:
+ gf_type = GF_LK_F_RDLCK;
+ break;
+ case F_WRLCK:
+ gf_type = GF_LK_F_WRLCK;
+ break;
+ case F_UNLCK:
+ gf_type = GF_LK_F_UNLCK;
+ break;
+ }
+
+ hdrlen = gf_hdr_len (req, pathlen);
+ hdr = gf_hdr_new (req, pathlen);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ strcpy (req->path, loc->path);
+
+ req->ino = hton64 (ino);
+
+ req->cmd = hton32 (gf_cmd);
+ req->type = hton32 (gf_type);
+ gf_flock_from_flock (&req->flock, flock);
+
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_BULK),
+ GF_OP_TYPE_FOP_REQUEST,
+ GF_FOP_INODELK,
+ hdr, hdrlen, NULL, 0, NULL);
+ return ret;
+unwind:
+ if (hdr)
+ free (hdr);
+
+ STACK_UNWIND(frame, -1, EINVAL);
+ return 0;
+
+}
+
+
+/**
+ * client_finodelk - finodelk function for client protocol
+ * @frame: call frame
+ * @this: this translator structure
+ * @inode: inode structure
+ * @cmd: lock command
+ * @lock: flock struct
+ *
+ * external reference through client_protocol_xlator->fops->finodelk
+ */
+int32_t
+client_finodelk (call_frame_t *frame,
+ xlator_t *this,
+ fd_t *fd,
+ int32_t cmd,
+ struct flock *flock)
+{
+ int ret = -1;
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_finodelk_req_t *req = NULL;
+ size_t hdrlen = 0;
+ int32_t gf_cmd = 0;
+ int32_t gf_type = 0;
+ int64_t remote_fd = -1;
+ client_conf_t *conf = this->private;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_finodelk_cbk,
+ conf->child,
+ conf->child->fops->finodelk,
+ fd, cmd, flock);
+
+ return 0;
+ }
+
+ ret = this_fd_get (fd, this, &remote_fd);
+ if (ret == -1) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "(%"PRId64"): failed to get remote fd. returning EBADFD",
+ fd->inode->ino);
+ STACK_UNWIND(frame, -1, EBADFD);
+ return 0;
+ }
+
+ if (cmd == F_GETLK || cmd == F_GETLK64)
+ gf_cmd = GF_LK_GETLK;
+ else if (cmd == F_SETLK || cmd == F_SETLK64)
+ gf_cmd = GF_LK_SETLK;
+ else if (cmd == F_SETLKW || cmd == F_SETLKW64)
+ gf_cmd = GF_LK_SETLKW;
+ else {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Unknown cmd (%d)!", gf_cmd);
+ goto unwind;
+ }
+
+ switch (flock->l_type) {
+ case F_RDLCK:
+ gf_type = GF_LK_F_RDLCK;
+ break;
+ case F_WRLCK:
+ gf_type = GF_LK_F_WRLCK;
+ break;
+ case F_UNLCK:
+ gf_type = GF_LK_F_UNLCK;
+ break;
+ }
+
+ hdrlen = gf_hdr_len (req, 0);
+ hdr = gf_hdr_new (req, 0);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->fd = hton64 (remote_fd);
+
+ req->cmd = hton32 (gf_cmd);
+ req->type = hton32 (gf_type);
+ gf_flock_from_flock (&req->flock, flock);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_BULK),
+ GF_OP_TYPE_FOP_REQUEST,
+ GF_FOP_FINODELK,
+ hdr, hdrlen, NULL, 0, NULL);
+ return ret;
+unwind:
+ if (hdr)
+ free (hdr);
+
+ STACK_UNWIND(frame, -1, EINVAL);
+ return 0;
+}
+
+
+int32_t
+client_entrylk (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc,
+ const char *name,
+ entrylk_cmd cmd,
+ entrylk_type type)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_entrylk_req_t *req = NULL;
+ size_t pathlen = 0;
+ size_t hdrlen = -1;
+ int ret = -1;
+ ino_t ino = 0;
+ size_t namelen = 0;
+ client_conf_t *conf = this->private;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame, default_entrylk_cbk,
+ conf->child,
+ conf->child->fops->entrylk,
+ loc, name, cmd, type);
+
+ return 0;
+ }
+
+ pathlen = STRLEN_0(loc->path);
+ if (name)
+ namelen = STRLEN_0(name);
+
+ ino = this_ino_get (loc, this, GF_CLIENT_INODE_SELF);
+
+ hdrlen = gf_hdr_len (req, pathlen + namelen);
+ hdr = gf_hdr_new (req, pathlen + namelen);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->ino = hton64 (ino);
+ req->namelen = hton64 (namelen);
+
+ strcpy (req->path, loc->path);
+ if (name)
+ strcpy (req->name + pathlen, name);
+
+ req->cmd = hton32 (cmd);
+ req->type = hton32 (type);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_LOWLAT),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_ENTRYLK,
+ hdr, hdrlen, NULL, 0, NULL);
+
+ return ret;
+unwind:
+ if (hdr)
+ free (hdr);
+
+ STACK_UNWIND(frame, -1, EINVAL);
+ return 0;
+
+}
+
+
+int32_t
+client_fentrylk (call_frame_t *frame,
+ xlator_t *this,
+ fd_t *fd,
+ const char *name,
+ entrylk_cmd cmd,
+ entrylk_type type)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_fentrylk_req_t *req = NULL;
+ int64_t remote_fd = -1;
+ size_t namelen = 0;
+ size_t hdrlen = -1;
+ int ret = -1;
+ client_conf_t *conf = this->private;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame, default_fentrylk_cbk,
+ conf->child,
+ conf->child->fops->fentrylk,
+ fd, name, cmd, type);
+
+ return 0;
+ }
+
+ if (name)
+ namelen = STRLEN_0(name);
+
+ ret = this_fd_get (fd, this, &remote_fd);
+ if (ret == -1) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "(%"PRId64"): failed to get remote fd. returning EBADFD",
+ fd->inode->ino);
+ STACK_UNWIND(frame, -1, EBADFD);
+ return 0;
+ }
+
+ hdrlen = gf_hdr_len (req, namelen);
+ hdr = gf_hdr_new (req, namelen);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->fd = hton64 (remote_fd);
+ req->namelen = hton64 (namelen);
+
+ if (name)
+ strcpy (req->name, name);
+
+ req->cmd = hton32 (cmd);
+ req->type = hton32 (type);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_LOWLAT),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_FENTRYLK,
+ hdr, hdrlen, NULL, 0, NULL);
+
+ return ret;
+unwind:
+ if (hdr)
+ free (hdr);
+
+ STACK_UNWIND(frame, -1, EINVAL);
+ return 0;
+}
+
+
+/*
+ * client_lookup - lookup function for client protocol
+ * @frame: call frame
+ * @this:
+ * @loc: location
+ *
+ * not for external reference
+ */
+int32_t
+client_lookup (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc,
+ dict_t *xattr_req)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_lookup_req_t *req = NULL;
+ size_t hdrlen = -1;
+ int ret = -1;
+ ino_t ino = 0;
+ ino_t par = 0;
+ size_t dictlen = 0;
+ size_t pathlen = 0;
+ size_t baselen = 0;
+ int32_t op_ret = -1;
+ int32_t op_errno = EINVAL;
+ client_conf_t *conf = this->private;
+ client_local_t *local = NULL;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_lookup_cbk,
+ conf->child,
+ conf->child->fops->lookup,
+ loc,
+ xattr_req);
+
+ return 0;
+ }
+
+ local = calloc (1, sizeof (*local));
+ GF_VALIDATE_OR_GOTO(this->name, local, unwind);
+
+ loc_copy (&local->loc, loc);
+
+ frame->local = local;
+
+ GF_VALIDATE_OR_GOTO (this->name, loc, unwind);
+ GF_VALIDATE_OR_GOTO (this->name, loc->path, unwind);
+
+ if (loc->ino != 1) {
+ par = this_ino_get (loc, this, GF_CLIENT_INODE_PARENT);
+ GF_VALIDATE_OR_GOTO (this->name, loc->name, unwind);
+ baselen = STRLEN_0(loc->name);
+ } else {
+ ino = 1;
+ }
+
+ pathlen = STRLEN_0(loc->path);
+
+ if (xattr_req) {
+ dictlen = dict_serialized_length (xattr_req);
+ if (dictlen < 0) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "failed to get serialized length of dict(%p)",
+ xattr_req);
+ ret = dictlen;
+ goto unwind;
+ }
+ }
+
+ hdrlen = gf_hdr_len (req, pathlen + baselen + dictlen);
+ hdr = gf_hdr_new (req, pathlen + baselen + dictlen);
+ GF_VALIDATE_OR_GOTO (this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->ino = hton64 (ino);
+ req->par = hton64 (par);
+ strcpy (req->path, loc->path);
+ if (baselen)
+ strcpy (req->path + pathlen, loc->name);
+
+ if (dictlen) {
+ ret = dict_serialize (xattr_req, req->dict + baselen + pathlen);
+ if (ret < 0) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "failed to serialize dictionary(%p)",
+ xattr_req);
+ goto unwind;
+ }
+ }
+
+ req->dictlen = hton32 (dictlen);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_LOWLAT),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_LOOKUP,
+ hdr, hdrlen, NULL, 0, NULL);
+ return ret;
+
+unwind:
+ STACK_UNWIND (frame, op_ret, op_errno, loc->inode, NULL, NULL);
+ return ret;
+}
+
+
+
+/*
+ * client_fchmod
+ *
+ */
+int32_t
+client_fchmod (call_frame_t *frame,
+ xlator_t *this,
+ fd_t *fd,
+ mode_t mode)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_fchmod_req_t *req = NULL;
+ int64_t remote_fd = -1;
+ size_t hdrlen = -1;
+ int ret = -1;
+ int32_t op_errno = EINVAL;
+ int32_t op_ret = -1;
+ client_conf_t *conf = this->private;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_fchmod_cbk,
+ conf->child,
+ conf->child->fops->fchmod,
+ fd,
+ mode);
+
+ return 0;
+ }
+
+ GF_VALIDATE_OR_GOTO (this->name, fd, unwind);
+
+ ret = this_fd_get (fd, this, &remote_fd);
+ if (ret == -1) {
+ op_errno = EBADFD;
+ gf_log (this->name, GF_LOG_DEBUG,
+ "(%"PRId64"): failed to get remote fd. returning EBADFD",
+ fd->inode->ino);
+ goto unwind;
+ }
+
+ hdrlen = gf_hdr_len (req, 0);
+ hdr = gf_hdr_new (req, 0);
+ GF_VALIDATE_OR_GOTO (this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->fd = hton64 (remote_fd);
+ req->mode = hton32 (mode);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_LOWLAT),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_FCHMOD,
+ hdr, hdrlen, NULL, 0, NULL);
+
+ return 0;
+
+unwind:
+ STACK_UNWIND (frame, op_ret, op_errno, NULL);
+ return 0;
+}
+
+
+/*
+ * client_fchown -
+ *
+ * @frame:
+ * @this:
+ * @fd:
+ * @uid:
+ * @gid:
+ *
+ */
+int32_t
+client_fchown (call_frame_t *frame,
+ xlator_t *this,
+ fd_t *fd,
+ uid_t uid,
+ gid_t gid)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_fchown_req_t *req = NULL;
+ int64_t remote_fd = 0;
+ size_t hdrlen = -1;
+ int32_t op_ret = -1;
+ int32_t op_errno = EINVAL;
+ int32_t ret = -1;
+ client_conf_t *conf = this->private;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_fchown_cbk,
+ conf->child,
+ conf->child->fops->fchown,
+ fd,
+ uid,
+ gid);
+
+ return 0;
+ }
+
+ GF_VALIDATE_OR_GOTO (this->name, fd, unwind);
+
+ ret = this_fd_get (fd, this, &remote_fd);
+ if (ret == -1) {
+ op_errno = EBADFD;
+ gf_log (this->name, GF_LOG_DEBUG,
+ "(%"PRId64"): failed to get remote fd. returning EBADFD",
+ fd->inode->ino);
+ goto unwind;
+ }
+
+ hdrlen = gf_hdr_len (req, 0);
+ hdr = gf_hdr_new (req, 0);
+ GF_VALIDATE_OR_GOTO (this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->fd = hton64 (remote_fd);
+ req->uid = hton32 (uid);
+ req->gid = hton32 (gid);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_LOWLAT),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_FCHOWN,
+ hdr, hdrlen, NULL, 0, NULL);
+
+ return 0;
+
+unwind:
+ STACK_UNWIND (frame, op_ret, op_errno, NULL);
+ return 0;
+
+}
+
+/**
+ * client_setdents -
+ */
+int32_t
+client_setdents (call_frame_t *frame,
+ xlator_t *this,
+ fd_t *fd,
+ int32_t flags,
+ dir_entry_t *entries,
+ int32_t count)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_setdents_req_t *req = NULL;
+ int64_t remote_fd = 0;
+ char *buffer = NULL;
+ char *ptr = NULL;
+ data_t *buf_data = NULL;
+ dict_t *reply_dict = NULL;
+ dir_entry_t *trav = NULL;
+ uint32_t len = 0;
+ int32_t buf_len = 0;
+ int32_t ret = -1;
+ int32_t op_ret = -1;
+ int32_t op_errno = EINVAL;
+ int32_t vec_count = 0;
+ size_t hdrlen = -1;
+ struct iovec vector[1];
+ client_conf_t *conf = this->private;
+
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_setdents_cbk,
+ conf->child,
+ conf->child->fops->setdents,
+ fd,
+ flags,
+ entries,
+ count);
+
+ return 0;
+ }
+
+ GF_VALIDATE_OR_GOTO (this->name, fd, unwind);
+
+ ret = this_fd_get (fd, this, &remote_fd);
+ if (ret == -1) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "(%"PRId64"): failed to get remote fd. returning EBADFD",
+ fd->inode->ino);
+ op_errno = EBADFD;
+ goto unwind;
+ }
+
+ GF_VALIDATE_OR_GOTO (this->name, entries, unwind);
+ GF_VALIDATE_OR_GOTO (this->name, count, unwind);
+
+ trav = entries->next;
+ while (trav) {
+ len += strlen (trav->name);
+ len += 1;
+ len += strlen (trav->link);
+ len += 1;
+ len += 256; // max possible for statbuf;
+ trav = trav->next;
+ }
+ buffer = CALLOC (1, len);
+ GF_VALIDATE_OR_GOTO (this->name, buffer, unwind);
+
+ ptr = buffer;
+
+ trav = entries->next;
+ while (trav) {
+ int32_t this_len = 0;
+ char *tmp_buf = NULL;
+ struct stat *stbuf = &trav->buf;
+ {
+ /* Convert the stat buf to string */
+ uint64_t dev = stbuf->st_dev;
+ uint64_t ino = stbuf->st_ino;
+ uint32_t mode = stbuf->st_mode;
+ uint32_t nlink = stbuf->st_nlink;
+ uint32_t uid = stbuf->st_uid;
+ uint32_t gid = stbuf->st_gid;
+ uint64_t rdev = stbuf->st_rdev;
+ uint64_t size = stbuf->st_size;
+ uint32_t blksize = stbuf->st_blksize;
+ uint64_t blocks = stbuf->st_blocks;
+
+ uint32_t atime = stbuf->st_atime;
+ uint32_t mtime = stbuf->st_mtime;
+ uint32_t ctime = stbuf->st_ctime;
+
+ uint32_t atime_nsec = ST_ATIM_NSEC(stbuf);
+ uint32_t mtime_nsec = ST_MTIM_NSEC(stbuf);
+ uint32_t ctime_nsec = ST_CTIM_NSEC(stbuf);
+
+ asprintf (&tmp_buf,
+ GF_STAT_PRINT_FMT_STR,
+ dev,
+ ino,
+ mode,
+ nlink,
+ uid,
+ gid,
+ rdev,
+ size,
+ blksize,
+ blocks,
+ atime,
+ atime_nsec,
+ mtime,
+ mtime_nsec,
+ ctime,
+ ctime_nsec);
+ }
+ this_len = sprintf (ptr, "%s/%s%s\n",
+ trav->name,
+ tmp_buf,
+ trav->link);
+
+ FREE (tmp_buf);
+ trav = trav->next;
+ ptr += this_len;
+ }
+ buf_len = strlen (buffer);
+
+ hdrlen = gf_hdr_len (req, 0);
+ hdr = gf_hdr_new (req, 0);
+ GF_VALIDATE_OR_GOTO (this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->fd = hton64 (remote_fd);
+ req->flags = hton32 (flags);
+ req->count = hton32 (count);
+
+ {
+ buf_data = get_new_data ();
+ GF_VALIDATE_OR_GOTO (this->name, buf_data, unwind);
+ reply_dict = get_new_dict();
+ GF_VALIDATE_OR_GOTO (this->name, reply_dict, unwind);
+
+ buf_data->data = buffer;
+ buf_data->len = buf_len;
+ dict_set (reply_dict, NULL, buf_data);
+ frame->root->rsp_refs = dict_ref (reply_dict);
+ vector[0].iov_base = buffer;
+ vector[0].iov_len = buf_len;
+ vec_count = 1;
+ }
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_BULK),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_SETDENTS,
+ hdr, hdrlen, vector, vec_count,
+ frame->root->rsp_refs);
+
+ return ret;
+unwind:
+ STACK_UNWIND (frame, op_ret, op_errno);
+ return 0;
+}
+
+
+/*
+ * CBKs
+ */
+/*
+ * client_forget - forget function for client protocol
+ * @this:
+ * @inode:
+ *
+ * not for external reference
+ */
+int32_t
+client_forget (xlator_t *this,
+ inode_t *inode)
+{
+ ino_t ino = 0;
+ client_conf_t *conf = NULL;
+ client_forget_t forget = {0,};
+ uint8_t send_forget = 0;
+ int32_t ret = -1;
+
+ GF_VALIDATE_OR_GOTO ("client", this, out);
+ conf = this->private;
+
+ if (conf->child) {
+ /* */
+ /* Yenu beda */
+ return 0;
+ }
+
+ GF_VALIDATE_OR_GOTO (this->name, inode, out);
+ ino = this_ino_get_from_inode (inode, this);
+
+ LOCK (&conf->forget.lock);
+ {
+ conf->forget.ino_array[conf->forget.count++] = ino;
+
+ if ((!conf->forget.frames_in_transit) ||
+ (conf->forget.count >= CLIENT_PROTO_FORGET_LIMIT)) {
+ ret = client_get_forgets (this, &forget);
+ if (ret <= 0)
+ send_forget = 0;
+ else
+ send_forget = 1;
+ }
+ }
+ UNLOCK (&conf->forget.lock);
+
+ if (send_forget) {
+ ret = protocol_client_xfer (forget.frame, this,
+ CLIENT_CHANNEL (this,CHANNEL_BULK),
+ GF_OP_TYPE_CBK_REQUEST,
+ GF_CBK_FORGET,
+ forget.hdr, forget.hdrlen,
+ NULL, 0, NULL);
+ }
+out:
+ return 0;
+}
+
+/**
+ * client_releasedir - releasedir function for client protocol
+ * @this: this translator structure
+ * @fd: file descriptor structure
+ *
+ * external reference through client_protocol_xlator->cbks->releasedir
+ */
+
+int32_t
+client_releasedir (xlator_t *this, fd_t *fd)
+{
+ call_frame_t *fr = NULL;
+ int32_t ret = -1;
+ int64_t remote_fd = 0;
+ char key[32] = {0,};
+ gf_hdr_common_t *hdr = NULL;
+ size_t hdrlen = 0;
+ gf_cbk_releasedir_req_t *req = NULL;
+ client_conf_t *conf = NULL;
+
+
+ GF_VALIDATE_OR_GOTO ("client", this, out);
+ GF_VALIDATE_OR_GOTO (this->name, fd, out);
+
+ conf = this->private;
+ if (conf->child) {
+ return 0;
+ }
+
+ ret = this_fd_get (fd, this, &remote_fd);
+ if (ret == -1){
+ gf_log (this->name, GF_LOG_DEBUG,
+ "(%"PRId64"): failed to get remote fd.",
+ fd->inode->ino);
+ goto out;
+ }
+
+ hdrlen = gf_hdr_len (req, 0);
+ hdr = gf_hdr_new (req, 0);
+ GF_VALIDATE_OR_GOTO (this->name, hdr, out);
+
+ req = gf_param (hdr);
+
+ req->fd = hton64 (remote_fd);
+
+ {
+ sprintf (key, "%p", fd);
+
+ pthread_mutex_lock (&conf->mutex);
+ {
+ dict_del (conf->saved_fds, key);
+ }
+ pthread_mutex_unlock (&conf->mutex);
+ }
+
+ fr = create_frame (this, this->ctx->pool);
+ GF_VALIDATE_OR_GOTO (this->name, fr, out);
+
+ ret = protocol_client_xfer (fr, this,
+ CLIENT_CHANNEL (this, CHANNEL_BULK),
+ GF_OP_TYPE_CBK_REQUEST, GF_CBK_RELEASEDIR,
+ hdr, hdrlen, NULL, 0, NULL);
+out:
+ return ret;
+}
+
+
+/**
+ * client_release - release function for client protocol
+ * @this: this translator structure
+ * @fd: file descriptor structure
+ *
+ * external reference through client_protocol_xlator->cbks->release
+ *
+ */
+int
+client_release (xlator_t *this, fd_t *fd)
+{
+ call_frame_t *fr = NULL;
+ int32_t ret = -1;
+ int64_t remote_fd = 0;
+ char key[32] = {0,};
+ gf_hdr_common_t *hdr = NULL;
+ size_t hdrlen = 0;
+ gf_cbk_release_req_t *req = NULL;
+ client_conf_t *conf = NULL;
+
+ GF_VALIDATE_OR_GOTO ("client", this, out);
+ GF_VALIDATE_OR_GOTO (this->name, fd, out);
+
+ conf = this->private;
+
+ if (conf->child) {
+ return 0;
+ }
+
+ ret = this_fd_get (fd, this, &remote_fd);
+ if (ret == -1) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "(%"PRId64"): failed to get remote fd.",
+ fd->inode->ino);
+ goto out;
+ }
+
+ hdrlen = gf_hdr_len (req, 0);
+ hdr = gf_hdr_new (req, 0);
+ GF_VALIDATE_OR_GOTO (this->name, hdr, out);
+ req = gf_param (hdr);
+
+ req->fd = hton64 (remote_fd);
+
+ {
+ sprintf (key, "%p", fd);
+
+ pthread_mutex_lock (&conf->mutex);
+ {
+ dict_del (conf->saved_fds, key);
+ }
+ pthread_mutex_unlock (&conf->mutex);
+ }
+
+ fr = create_frame (this, this->ctx->pool);
+ GF_VALIDATE_OR_GOTO (this->name, fr, out);
+
+ ret = protocol_client_xfer (fr, this,
+ CLIENT_CHANNEL (this, CHANNEL_BULK),
+ GF_OP_TYPE_CBK_REQUEST, GF_CBK_RELEASE,
+ hdr, hdrlen, NULL, 0, NULL);
+out:
+ return ret;
+}
+
+/*
+ * MGMT_OPS
+ */
+
+/**
+ * client_stats - stats function for client protocol
+ * @frame: call frame
+ * @this: this translator structure
+ * @flags:
+ *
+ * external reference through client_protocol_xlator->mops->stats
+ */
+
+int32_t
+client_stats (call_frame_t *frame,
+ xlator_t *this,
+ int32_t flags)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_mop_stats_req_t *req = NULL;
+ size_t hdrlen = -1;
+ int ret = -1;
+ client_conf_t *conf = NULL;
+
+ GF_VALIDATE_OR_GOTO ("client", this, unwind);
+
+ conf = this->private;
+ if (conf->child) {
+ /* */
+ STACK_WIND (frame,
+ default_stats_cbk,
+ conf->child,
+ conf->child->mops->stats,
+ flags);
+
+ return 0;
+ }
+
+
+ hdrlen = gf_hdr_len (req, 0);
+ hdr = gf_hdr_new (req, 0);
+ GF_VALIDATE_OR_GOTO (this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+
+ req->flags = hton32 (flags);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_BULK),
+ GF_OP_TYPE_MOP_REQUEST, GF_MOP_STATS,
+ hdr, hdrlen, NULL, 0, NULL);
+
+ return ret;
+unwind:
+ STACK_UNWIND (frame, -1, EINVAL, NULL);
+ return 0;
+}
+
+
+/* Callbacks */
+
+int32_t
+client_fxattrop_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ gf_fop_xattrop_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t gf_errno = 0;
+ int32_t op_errno = 0;
+ int32_t dict_len = 0;
+ dict_t *dict = NULL;
+ int32_t ret = -1;
+ char *dictbuf = NULL;
+
+ rsp = gf_param (hdr);
+ GF_VALIDATE_OR_GOTO(frame->this->name, rsp, fail);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+
+ if (op_ret >= 0) {
+ op_ret = -1;
+ dict_len = ntoh32 (rsp->dict_len);
+
+ if (dict_len > 0) {
+ dictbuf = memdup (rsp->dict, dict_len);
+ GF_VALIDATE_OR_GOTO(frame->this->name, dictbuf, fail);
+
+ dict = dict_new();
+ GF_VALIDATE_OR_GOTO(frame->this->name, dict, fail);
+
+ ret = dict_unserialize (dictbuf, dict_len, &dict);
+ if (ret < 0) {
+ gf_log (frame->this->name, GF_LOG_ERROR,
+ "failed to serialize dictionary(%p)",
+ dict);
+ op_errno = -ret;
+ goto fail;
+ } else {
+ dict->extra_free = dictbuf;
+ dictbuf = NULL;
+ }
+ }
+ op_ret = 0;
+ }
+ gf_errno = ntoh32 (hdr->rsp.op_errno);
+ op_errno = gf_error_to_errno (gf_errno);
+
+fail:
+ STACK_UNWIND (frame, op_ret, op_errno, dict);
+
+ if (dictbuf)
+ free (dictbuf);
+
+ if (dict)
+ dict_unref (dict);
+
+ return 0;
+}
+
+int32_t
+client_xattrop_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ gf_fop_xattrop_rsp_t *rsp = NULL;
+ int32_t op_ret = -1;
+ int32_t gf_errno = EINVAL;
+ int32_t op_errno = 0;
+ int32_t dict_len = 0;
+ dict_t *dict = NULL;
+ int32_t ret = -1;
+ char *dictbuf = NULL;
+
+ rsp = gf_param (hdr);
+ GF_VALIDATE_OR_GOTO(frame->this->name, rsp, fail);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ if (op_ret >= 0) {
+ op_ret = -1;
+ dict_len = ntoh32 (rsp->dict_len);
+
+ if (dict_len > 0) {
+ dictbuf = memdup (rsp->dict, dict_len);
+ GF_VALIDATE_OR_GOTO(frame->this->name, dictbuf, fail);
+
+ dict = get_new_dict();
+ GF_VALIDATE_OR_GOTO(frame->this->name, dict, fail);
+ dict_ref (dict);
+
+ ret = dict_unserialize (dictbuf, dict_len, &dict);
+ if (ret < 0) {
+ gf_log (frame->this->name, GF_LOG_ERROR,
+ "failed to serialize dictionary(%p)",
+ dict);
+ goto fail;
+ } else {
+ dict->extra_free = dictbuf;
+ dictbuf = NULL;
+ }
+ }
+ op_ret = 0;
+ }
+ gf_errno = ntoh32 (hdr->rsp.op_errno);
+ op_errno = gf_error_to_errno (gf_errno);
+
+
+fail:
+ STACK_UNWIND (frame, op_ret, op_errno, dict);
+
+ if (dictbuf)
+ free (dictbuf);
+ if (dict)
+ dict_unref (dict);
+
+ return 0;
+}
+
+/*
+ * client_chown_cbk -
+ *
+ * @frame:
+ * @args:
+ *
+ * not for external reference
+ */
+int32_t
+client_fchown_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ struct stat stbuf = {0, };
+ gf_fop_fchown_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ if (op_ret == 0) {
+ gf_stat_to_stat (&rsp->stat, &stbuf);
+ }
+
+ STACK_UNWIND (frame, op_ret, op_errno, &stbuf);
+
+ return 0;
+}
+
+
+/*
+ * client_fchmod_cbk
+ *
+ * @frame:
+ * @args:
+ *
+ * not for external reference
+ */
+int32_t
+client_fchmod_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ struct stat stbuf = {0, };
+ gf_fop_fchmod_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ if (op_ret == 0) {
+ gf_stat_to_stat (&rsp->stat, &stbuf);
+ }
+
+ STACK_UNWIND (frame, op_ret, op_errno, &stbuf);
+
+ return 0;
+}
+
+
+/*
+ * client_create_cbk - create callback function for client protocol
+ * @frame: call frame
+ * @args: arguments in dictionary
+ *
+ * not for external reference
+ */
+
+int
+client_create_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ gf_fop_create_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+ fd_t *fd = NULL;
+ inode_t *inode = NULL;
+ struct stat stbuf = {0, };
+ int64_t remote_fd = 0;
+ char key[32] = {0, };
+ int32_t ret = -1;
+ client_local_t *local = NULL;
+ client_conf_t *conf = NULL;
+
+
+ local = frame->local; frame->local = NULL;
+ conf = frame->this->private;
+ fd = local->fd;
+ inode = local->loc.inode;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = ntoh32 (hdr->rsp.op_errno);
+
+ if (op_ret >= 0) {
+ remote_fd = ntoh64 (rsp->fd);
+ gf_stat_to_stat (&rsp->stat, &stbuf);
+ }
+
+ if (op_ret >= 0) {
+ this_ino_set (&local->loc, frame->this, stbuf.st_ino);
+ this_fd_set (fd, frame->this, &local->loc, remote_fd);
+
+ sprintf (key, "%p", fd);
+
+ pthread_mutex_lock (&conf->mutex);
+ {
+ ret = dict_set_str (conf->saved_fds, key, "");
+ }
+ pthread_mutex_unlock (&conf->mutex);
+
+ if (ret < 0) {
+ free (key);
+ gf_log (frame->this->name, GF_LOG_ERROR,
+ "%s (%"PRId64"): failed to save remote fd",
+ local->loc.path, stbuf.st_ino);
+ }
+ }
+
+ STACK_UNWIND (frame, op_ret, op_errno, fd, inode, &stbuf);
+
+ client_local_wipe (local);
+
+ return 0;
+}
+
+
+/*
+ * client_open_cbk - open callback for client protocol
+ * @frame: call frame
+ * @args: argument dictionary
+ *
+ * not for external reference
+ */
+int32_t
+client_open_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ int32_t op_ret = -1;
+ int32_t op_errno = ENOTCONN;
+ fd_t *fd = NULL;
+ int64_t remote_fd = 0;
+ gf_fop_open_rsp_t *rsp = NULL;
+ char key[32] = {0,};
+ int32_t ret = -1;
+ client_local_t *local = NULL;
+ client_conf_t *conf = NULL;
+
+
+ local = frame->local; frame->local = NULL;
+ conf = frame->this->private;
+ fd = local->fd;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = ntoh32 (hdr->rsp.op_errno);
+
+ if (op_ret >= 0) {
+ remote_fd = ntoh64 (rsp->fd);
+ }
+
+ if (op_ret >= 0) {
+ this_fd_set (fd, frame->this, &local->loc, remote_fd);
+
+ sprintf (key, "%p", fd);
+
+ pthread_mutex_lock (&conf->mutex);
+ {
+ ret = dict_set_str (conf->saved_fds, key, "");
+ }
+ pthread_mutex_unlock (&conf->mutex);
+
+ if (ret < 0) {
+ gf_log (frame->this->name, GF_LOG_ERROR,
+ "%s (%"PRId64"): failed to save remote fd",
+ local->loc.path, local->loc.inode->ino);
+ free (key);
+ }
+
+ }
+
+ STACK_UNWIND (frame, op_ret, op_errno, fd);
+
+ client_local_wipe (local);
+
+ return 0;
+}
+
+/*
+ * client_stat_cbk - stat callback for client protocol
+ * @frame: call frame
+ * @args: arguments dictionary
+ *
+ * not for external reference
+ */
+int
+client_stat_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ struct stat stbuf = {0, };
+ gf_fop_stat_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ if (op_ret == 0) {
+ gf_stat_to_stat (&rsp->stat, &stbuf);
+ }
+
+ STACK_UNWIND (frame, op_ret, op_errno, &stbuf);
+
+ return 0;
+}
+
+/*
+ * client_utimens_cbk - utimens callback for client protocol
+ * @frame: call frame
+ * @args: argument dictionary
+ *
+ * not for external reference
+ */
+
+int32_t
+client_utimens_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ struct stat stbuf = {0, };
+ gf_fop_utimens_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ if (op_ret == 0) {
+ gf_stat_to_stat (&rsp->stat, &stbuf);
+ }
+
+ STACK_UNWIND (frame, op_ret, op_errno, &stbuf);
+
+ return 0;
+}
+
+/*
+ * client_chmod_cbk - chmod for client protocol
+ * @frame: call frame
+ * @args: argument dictionary
+ *
+ * not for external reference
+ */
+int32_t
+client_chmod_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ struct stat stbuf = {0, };
+ gf_fop_chmod_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ if (op_ret == 0) {
+ gf_stat_to_stat (&rsp->stat, &stbuf);
+ }
+
+ STACK_UNWIND (frame, op_ret, op_errno, &stbuf);
+
+ return 0;
+}
+
+/*
+ * client_chown_cbk - chown for client protocol
+ * @frame: call frame
+ * @args: argument dictionary
+ *
+ * not for external reference
+ */
+int32_t
+client_chown_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ struct stat stbuf = {0, };
+ gf_fop_chown_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ if (op_ret == 0) {
+ gf_stat_to_stat (&rsp->stat, &stbuf);
+ }
+
+ STACK_UNWIND (frame, op_ret, op_errno, &stbuf);
+
+ return 0;
+}
+
+/*
+ * client_mknod_cbk - mknod callback for client protocol
+ * @frame: call frame
+ * @args: argument dictionary
+ *
+ * not for external reference
+ */
+int32_t
+client_mknod_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ gf_fop_mknod_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+ struct stat stbuf = {0, };
+ inode_t *inode = NULL;
+ client_local_t *local = NULL;
+
+ local = frame->local;
+ frame->local = NULL;
+ inode = local->loc.inode;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ if (op_ret >= 0) {
+ gf_stat_to_stat (&rsp->stat, &stbuf);
+ this_ino_set (&local->loc, frame->this, stbuf.st_ino);
+ }
+
+ STACK_UNWIND (frame, op_ret, op_errno, inode, &stbuf);
+
+ client_local_wipe (local);
+
+ return 0;
+}
+
+/*
+ * client_symlink_cbk - symlink callback for client protocol
+ * @frame: call frame
+ * @args: argument dictionary
+ *
+ * not for external reference
+ */
+int32_t
+client_symlink_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ gf_fop_symlink_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+ struct stat stbuf = {0, };
+ inode_t *inode = NULL;
+ client_local_t *local = NULL;
+
+ local = frame->local;
+ frame->local = NULL;
+ inode = local->loc.inode;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ if (op_ret >= 0) {
+ gf_stat_to_stat (&rsp->stat, &stbuf);
+ this_ino_set (&local->loc, frame->this, stbuf.st_ino);
+ }
+
+ STACK_UNWIND (frame, op_ret, op_errno, inode, &stbuf);
+
+ client_local_wipe (local);
+
+ return 0;
+}
+
+/*
+ * client_link_cbk - link callback for client protocol
+ * @frame: call frame
+ * @args: argument dictionary
+ *
+ * not for external reference
+ */
+int32_t
+client_link_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ gf_fop_link_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+ struct stat stbuf = {0, };
+ inode_t *inode = NULL;
+ client_local_t *local = NULL;
+
+ local = frame->local;
+ frame->local = NULL;
+ inode = local->loc.inode;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ if (op_ret >= 0) {
+ gf_stat_to_stat (&rsp->stat, &stbuf);
+ }
+
+ STACK_UNWIND (frame, op_ret, op_errno, inode, &stbuf);
+
+ client_local_wipe (local);
+
+ return 0;
+}
+
+/*
+ * client_truncate_cbk - truncate callback for client protocol
+ * @frame: call frame
+ * @args: argument dictionary
+ *
+ * not for external reference
+ */
+
+int32_t
+client_truncate_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ struct stat stbuf = {0, };
+ gf_fop_truncate_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ if (op_ret == 0) {
+ gf_stat_to_stat (&rsp->stat, &stbuf);
+ }
+
+ STACK_UNWIND (frame, op_ret, op_errno, &stbuf);
+
+ return 0;
+}
+
+/* client_fstat_cbk - fstat callback for client protocol
+ * @frame: call frame
+ * @args: argument dictionary
+ *
+ * not for external reference
+ */
+
+int32_t
+client_fstat_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ struct stat stbuf = {0, };
+ gf_fop_fstat_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ if (op_ret == 0) {
+ gf_stat_to_stat (&rsp->stat, &stbuf);
+ }
+
+ STACK_UNWIND (frame, op_ret, op_errno, &stbuf);
+
+ return 0;
+}
+
+/*
+ * client_ftruncate_cbk - ftruncate callback for client protocol
+ * @frame: call frame
+ * @args: argument dictionary
+ *
+ * not for external reference
+ */
+int32_t
+client_ftruncate_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ struct stat stbuf = {0, };
+ gf_fop_ftruncate_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ if (op_ret == 0) {
+ gf_stat_to_stat (&rsp->stat, &stbuf);
+ }
+
+ STACK_UNWIND (frame, op_ret, op_errno, &stbuf);
+
+ return 0;
+}
+
+/* client_readv_cbk - readv callback for client protocol
+ * @frame: call frame
+ * @args: argument dictionary
+ *
+ * not for external referece
+ */
+
+int32_t
+client_readv_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ gf_fop_read_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+ struct iovec vector = {0, };
+ struct stat stbuf = {0, };
+ dict_t *refs = NULL;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ if (op_ret != -1) {
+ gf_stat_to_stat (&rsp->stat, &stbuf);
+ vector.iov_base = buf;
+ vector.iov_len = buflen;
+
+ refs = get_new_dict ();
+ dict_set (refs, NULL, data_from_dynptr (buf, 0));
+ frame->root->rsp_refs = dict_ref (refs);
+ }
+
+ STACK_UNWIND (frame, op_ret, op_errno, &vector, 1, &stbuf);
+
+ if (refs)
+ dict_unref (refs);
+
+ return 0;
+}
+
+/*
+ * client_write_cbk - write callback for client protocol
+ * @frame: cal frame
+ * @args: argument dictionary
+ *
+ * not for external reference
+ */
+
+int32_t
+client_write_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ gf_fop_write_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+ struct stat stbuf = {0, };
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ if (op_ret >= 0)
+ gf_stat_to_stat (&rsp->stat, &stbuf);
+
+ STACK_UNWIND (frame, op_ret, op_errno, &stbuf);
+
+ return 0;
+}
+
+
+int32_t
+client_readdir_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ gf_fop_readdir_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+ uint32_t buf_size = 0;
+ gf_dirent_t entries;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = ntoh32 (hdr->rsp.op_errno);
+
+ INIT_LIST_HEAD (&entries.list);
+ if (op_ret > 0) {
+ buf_size = ntoh32 (rsp->size);
+ gf_dirent_unserialize (&entries, rsp->buf, buf_size);
+ }
+
+ STACK_UNWIND (frame, op_ret, op_errno, &entries);
+
+ gf_dirent_free (&entries);
+
+ return 0;
+}
+
+/*
+ * client_fsync_cbk - fsync callback for client protocol
+ *
+ * @frame: call frame
+ * @args: argument dictionary
+ *
+ * not for external reference
+ */
+int32_t
+client_fsync_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ struct stat stbuf = {0, };
+ gf_fop_fsync_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ STACK_UNWIND (frame, op_ret, op_errno, &stbuf);
+
+ return 0;
+}
+
+
+/*
+ * client_unlink_cbk - unlink callback for client protocol
+ * @frame: call frame
+ * @args: argument dictionary
+ *
+ * not for external reference
+ */
+int32_t
+client_unlink_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ gf_fop_unlink_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ STACK_UNWIND (frame, op_ret, op_errno);
+
+ return 0;
+}
+
+/*
+ * client_rename_cbk - rename callback for client protocol
+ * @frame: call frame
+ * @args: argument dictionary
+ *
+ * not for external reference
+ */
+int32_t
+client_rename_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ struct stat stbuf = {0, };
+ gf_fop_rename_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ if (op_ret == 0) {
+ gf_stat_to_stat (&rsp->stat, &stbuf);
+ }
+
+ STACK_UNWIND (frame, op_ret, op_errno, &stbuf);
+
+ return 0;
+}
+
+
+/*
+ * client_readlink_cbk - readlink callback for client protocol
+ *
+ * @frame: call frame
+ * @args: argument dictionary
+ *
+ * not for external reference
+ */
+int32_t
+client_readlink_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ gf_fop_readlink_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+ char *link = NULL;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ if (op_ret > 0) {
+ link = rsp->path;
+ }
+
+ STACK_UNWIND (frame, op_ret, op_errno, link);
+ return 0;
+}
+
+/*
+ * client_mkdir_cbk - mkdir callback for client protocol
+ * @frame: call frame
+ * @args: argument dictionary
+ *
+ * not for external reference
+ */
+int32_t
+client_mkdir_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ gf_fop_mkdir_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+ struct stat stbuf = {0, };
+ inode_t *inode = NULL;
+ client_local_t *local = NULL;
+
+ local = frame->local;
+ inode = local->loc.inode;
+ frame->local = NULL;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ if (op_ret >= 0) {
+ gf_stat_to_stat (&rsp->stat, &stbuf);
+ this_ino_set (&local->loc, frame->this, stbuf.st_ino);
+ }
+
+ STACK_UNWIND (frame, op_ret, op_errno, inode, &stbuf);
+
+ client_local_wipe (local);
+
+ return 0;
+}
+
+/*
+ * client_flush_cbk - flush callback for client protocol
+ *
+ * @frame: call frame
+ * @args: argument dictionary
+ *
+ * not for external reference
+ */
+
+int32_t
+client_flush_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ STACK_UNWIND (frame, op_ret, op_errno);
+
+ return 0;
+}
+
+
+/*
+ * client_opendir_cbk - opendir callback for client protocol
+ * @frame: call frame
+ * @args: argument dictionary
+ *
+ * not for external reference
+ */
+int
+client_opendir_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ int32_t op_ret = -1;
+ int32_t op_errno = ENOTCONN;
+ fd_t *fd = NULL;
+ int64_t remote_fd = 0;
+ gf_fop_opendir_rsp_t *rsp = NULL;
+ char key[32] = {0,};
+ int32_t ret = -1;
+ client_local_t *local = NULL;
+ client_conf_t *conf = NULL;
+
+
+ local = frame->local; frame->local = NULL;
+ conf = frame->this->private;
+ fd = local->fd;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = ntoh32 (hdr->rsp.op_errno);
+
+ if (op_ret >= 0) {
+ remote_fd = ntoh64 (rsp->fd);
+ }
+
+ if (op_ret >= 0) {
+ this_fd_set (fd, frame->this, &local->loc, remote_fd);
+
+ sprintf (key, "%p", fd);
+
+ pthread_mutex_lock (&conf->mutex);
+ {
+ ret = dict_set_str (conf->saved_fds, key, "");
+ }
+ pthread_mutex_unlock (&conf->mutex);
+
+ if (ret < 0) {
+ free (key);
+ gf_log (frame->this->name, GF_LOG_ERROR,
+ "%s (%"PRId64"): failed to save remote fd",
+ local->loc.path, local->loc.inode->ino);
+ }
+ }
+
+ STACK_UNWIND (frame, op_ret, op_errno, fd);
+
+ client_local_wipe (local);
+
+ return 0;
+}
+
+
+/*
+ * client_rmdir_cbk - rmdir callback for client protocol
+ * @frame: call frame
+ * @args: argument dictionary
+ *
+ * not for external reference
+ */
+
+int
+client_rmdir_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ gf_fop_rmdir_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ STACK_UNWIND (frame, op_ret, op_errno);
+
+ return 0;
+}
+
+/*
+ * client_access_cbk - access callback for client protocol
+ * @frame: call frame
+ * @args: argument dictionary
+ *
+ * not for external reference
+ */
+int32_t
+client_access_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ gf_fop_access_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ STACK_UNWIND (frame, op_ret, op_errno);
+
+ return 0;
+}
+
+
+
+/*
+ * client_lookup_cbk - lookup callback for client protocol
+ *
+ * @frame: call frame
+ * @args: arguments dictionary
+ *
+ * not for external reference
+ */
+int32_t
+client_lookup_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ struct stat stbuf = {0, };
+ inode_t *inode = NULL;
+ dict_t *xattr = NULL;
+ gf_fop_lookup_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+ size_t dict_len = 0;
+ char *dictbuf = NULL;
+ int32_t ret = -1;
+ int32_t gf_errno = 0;
+ client_local_t *local = NULL;
+
+ local = frame->local;
+ inode = local->loc.inode;
+ frame->local = NULL;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+
+ if (op_ret == 0) {
+ op_ret = -1;
+ gf_stat_to_stat (&rsp->stat, &stbuf);
+ this_ino_set (&local->loc, frame->this, stbuf.st_ino);
+
+ dict_len = ntoh32 (rsp->dict_len);
+
+ if (dict_len > 0) {
+ dictbuf = memdup (rsp->dict, dict_len);
+ GF_VALIDATE_OR_GOTO(frame->this->name, dictbuf, fail);
+
+ xattr = dict_new();
+ GF_VALIDATE_OR_GOTO(frame->this->name, xattr, fail);
+
+ ret = dict_unserialize (dictbuf, dict_len, &xattr);
+ if (ret < 0) {
+ gf_log (frame->this->name, GF_LOG_ERROR,
+ "%s (%"PRId64"): failed to unserialize dictionary",
+ local->loc.path, inode->ino);
+ goto fail;
+ } else {
+ xattr->extra_free = dictbuf;
+ dictbuf = NULL;
+ }
+ }
+ op_ret = 0;
+ }
+ gf_errno = ntoh32 (hdr->rsp.op_errno);
+ op_errno = gf_error_to_errno (gf_errno);
+
+fail:
+ STACK_UNWIND (frame, op_ret, op_errno, inode, &stbuf, xattr);
+
+ client_local_wipe (local);
+
+ if (dictbuf)
+ free (dictbuf);
+
+ if (xattr)
+ dict_unref (xattr);
+
+ return 0;
+}
+
+static dir_entry_t *
+gf_bin_to_direntry (char *buf, size_t count)
+{
+ int32_t idx = 0, bread = 0;
+ size_t rcount = 0;
+ char *ender = NULL, *buffer = NULL;
+ char tmp_buf[512] = {0,};
+ dir_entry_t *trav = NULL, *prev = NULL;
+ dir_entry_t *thead = NULL, *head = NULL;
+
+ thead = CALLOC (1, sizeof (dir_entry_t));
+ GF_VALIDATE_OR_GOTO("client-protocol", thead, fail);
+
+ buffer = buf;
+ prev = thead;
+
+ for (idx = 0; idx < count ; idx++) {
+ bread = 0;
+ trav = CALLOC (1, sizeof (dir_entry_t));
+ GF_VALIDATE_OR_GOTO("client-protocol", trav, fail);
+
+ ender = strchr (buffer, '/');
+ if (!ender)
+ break;
+ rcount = ender - buffer;
+ trav->name = CALLOC (1, rcount + 2);
+ GF_VALIDATE_OR_GOTO("client-protocol", trav->name, fail);
+
+ strncpy (trav->name, buffer, rcount);
+ bread = rcount + 1;
+ buffer += bread;
+
+ ender = strchr (buffer, '\n');
+ if (!ender)
+ break;
+ rcount = ender - buffer;
+ strncpy (tmp_buf, buffer, rcount);
+ bread = rcount + 1;
+ buffer += bread;
+
+ gf_string_to_stat (tmp_buf, &trav->buf);
+
+ ender = strchr (buffer, '\n');
+ if (!ender)
+ break;
+ rcount = ender - buffer;
+ *ender = '\0';
+ if (S_ISLNK (trav->buf.st_mode))
+ trav->link = strdup (buffer);
+ else
+ trav->link = "";
+
+ bread = rcount + 1;
+ buffer += bread;
+
+ prev->next = trav;
+ prev = trav;
+ }
+
+ head = thead;
+fail:
+ return head;
+}
+
+int32_t
+gf_free_direntry(dir_entry_t *head)
+{
+ dir_entry_t *prev = NULL, *trav = NULL;
+
+ prev = head;
+ GF_VALIDATE_OR_GOTO("client-protocol", prev, fail);
+
+ trav = head->next;
+ while (trav) {
+ prev->next = trav->next;
+ FREE (trav->name);
+ if (S_ISLNK (trav->buf.st_mode))
+ FREE (trav->link);
+ FREE (trav);
+ trav = prev->next;
+ }
+ FREE (head);
+fail:
+ return 0;
+}
+/*
+ * client_getdents_cbk - readdir callback for client protocol
+ * @frame: call frame
+ * @args: argument dictionary
+ *
+ * not for external reference
+ */
+int32_t
+client_getdents_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ gf_fop_getdents_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+ int32_t gf_errno = 0;
+ int32_t nr_count = 0;
+ dir_entry_t *entry = NULL;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ gf_errno = ntoh32 (hdr->rsp.op_errno);
+ op_errno = gf_error_to_errno (gf_errno);
+
+ if (op_ret >= 0) {
+ nr_count = ntoh32 (rsp->count);
+ entry = gf_bin_to_direntry(buf, nr_count);
+ if (entry == NULL) {
+ op_ret = -1;
+ op_errno = EINVAL;
+ }
+ }
+
+ STACK_UNWIND (frame, op_ret, op_errno, entry, nr_count);
+
+ if (op_ret >= 0) {
+ /* Free the buffer */
+ FREE (buf);
+ gf_free_direntry(entry);
+ }
+
+ return 0;
+}
+
+/*
+ * client_statfs_cbk - statfs callback for client protocol
+ * @frame: call frame
+ * @args: argument dictionary
+ *
+ * not for external reference
+ */
+int32_t
+client_statfs_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ struct statvfs stbuf = {0, };
+ gf_fop_statfs_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ if (op_ret == 0)
+ {
+ gf_statfs_to_statfs (&rsp->statfs, &stbuf);
+ }
+
+ STACK_UNWIND (frame, op_ret, op_errno, &stbuf);
+
+ return 0;
+}
+
+/*
+ * client_fsyncdir_cbk - fsyncdir callback for client protocol
+ * @frame: call frame
+ * @args: argument dictionary
+ *
+ * not for external reference
+ */
+int32_t
+client_fsyncdir_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ STACK_UNWIND (frame, op_ret, op_errno);
+
+ return 0;
+}
+
+/*
+ * client_setxattr_cbk - setxattr callback for client protocol
+ * @frame: call frame
+ * @args: argument dictionary
+ *
+ * not for external reference
+ */
+int32_t
+client_setxattr_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ gf_fop_setxattr_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ STACK_UNWIND (frame, op_ret, op_errno);
+
+ return 0;
+}
+
+/*
+ * client_getxattr_cbk - getxattr callback for client protocol
+ * @frame: call frame
+ * @args: argument dictionary
+ *
+ * not for external reference
+ */
+int32_t
+client_getxattr_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ gf_fop_getxattr_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t gf_errno = 0;
+ int32_t op_errno = 0;
+ int32_t dict_len = 0;
+ dict_t *dict = NULL;
+ int32_t ret = -1;
+ char *dictbuf = NULL;
+ client_local_t *local = NULL;
+
+ local = frame->local;
+ frame->local = NULL;
+
+ rsp = gf_param (hdr);
+ GF_VALIDATE_OR_GOTO(frame->this->name, rsp, fail);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+
+ if (op_ret >= 0) {
+ op_ret = -1;
+ dict_len = ntoh32 (rsp->dict_len);
+
+ if (dict_len > 0) {
+ dictbuf = memdup (rsp->dict, dict_len);
+ GF_VALIDATE_OR_GOTO(frame->this->name, dictbuf, fail);
+
+ dict = dict_new();
+ GF_VALIDATE_OR_GOTO(frame->this->name, dict, fail);
+
+ ret = dict_unserialize (dictbuf, dict_len, &dict);
+ if (ret < 0) {
+ gf_log (frame->this->name, GF_LOG_ERROR,
+ "%s (%"PRId64"): failed to "
+ "unserialize xattr dictionary",
+ local->loc.path, local->loc.inode->ino);
+ goto fail;
+ } else {
+ dict->extra_free = dictbuf;
+ dictbuf = NULL;
+ }
+ }
+ op_ret = 0;
+ }
+ gf_errno = ntoh32 (hdr->rsp.op_errno);
+ op_errno = gf_error_to_errno (gf_errno);
+fail:
+ STACK_UNWIND (frame, op_ret, op_errno, dict);
+
+ client_local_wipe (local);
+
+ if (dictbuf)
+ free (dictbuf);
+
+ if (dict)
+ dict_unref (dict);
+
+ return 0;
+}
+
+/*
+ * client_removexattr_cbk - removexattr callback for client protocol
+ * @frame: call frame
+ * @args: argument dictionary
+ *
+ * not for external reference
+ */
+int32_t
+client_removexattr_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ STACK_UNWIND (frame, op_ret, op_errno);
+
+ return 0;
+}
+
+/*
+ * client_lk_cbk - lk callback for client protocol
+ * @frame: call frame
+ * @args: argument dictionary
+ *
+ * not for external reference
+ */
+int32_t
+client_lk_common_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ struct flock lock = {0,};
+ gf_fop_lk_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ if (op_ret >= 0) {
+ gf_flock_to_flock (&rsp->flock, &lock);
+ }
+
+ STACK_UNWIND (frame, op_ret, op_errno, &lock);
+ return 0;
+}
+
+
+/*
+ * client_gf_file_lk_cbk - gf_file_lk callback for client protocol
+ * @frame: call frame
+ * @args: argument dictionary
+ *
+ * not for external reference
+ */
+int32_t
+client_inodelk_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ gf_fop_inodelk_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ STACK_UNWIND (frame, op_ret, op_errno);
+ return 0;
+}
+
+
+int32_t
+client_finodelk_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ gf_fop_finodelk_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ STACK_UNWIND (frame, op_ret, op_errno);
+ return 0;
+}
+
+
+/*
+ * client_entrylk_cbk - entrylk callback for client protocol
+ * @frame: call frame
+ * @args: argument dictionary
+ *
+ * not for external reference
+ */
+int32_t
+client_entrylk_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ gf_fop_entrylk_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ STACK_UNWIND (frame, op_ret, op_errno);
+ return 0;
+}
+
+int32_t
+client_fentrylk_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ gf_fop_fentrylk_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ STACK_UNWIND (frame, op_ret, op_errno);
+ return 0;
+}
+
+
+/**
+ * client_writedir_cbk -
+ *
+ * @frame:
+ * @args:
+ *
+ * not for external reference
+ */
+int32_t
+client_setdents_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ STACK_UNWIND (frame, op_ret, op_errno);
+
+ return 0;
+}
+
+
+
+/*
+ * client_stats_cbk - stats callback for client protocol
+ *
+ * @frame: call frame
+ * @args: argument dictionary
+ *
+ * not for external reference
+ */
+
+int32_t
+client_stats_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ struct xlator_stats stats = {0,};
+ gf_mop_stats_rsp_t *rsp = NULL;
+ char *buffer = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ if (op_ret >= 0)
+ {
+ buffer = rsp->buf;
+
+ sscanf (buffer, "%"SCNx64",%"SCNx64",%"SCNx64",%"SCNx64
+ ",%"SCNx64",%"SCNx64",%"SCNx64",%"SCNx64"\n",
+ &stats.nr_files,
+ &stats.disk_usage,
+ &stats.free_disk,
+ &stats.total_disk_size,
+ &stats.read_usage,
+ &stats.write_usage,
+ &stats.disk_speed,
+ &stats.nr_clients);
+ }
+
+ STACK_UNWIND (frame, op_ret, op_errno, &stats);
+ return 0;
+}
+
+/*
+ * client_getspec - getspec function for client protocol
+ * @frame: call frame
+ * @this: client protocol xlator structure
+ * @flag:
+ *
+ * external reference through client_protocol_xlator->fops->getspec
+ */
+int32_t
+client_getspec (call_frame_t *frame,
+ xlator_t *this,
+ const char *key,
+ int32_t flag)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_mop_getspec_req_t *req = NULL;
+ size_t hdrlen = -1;
+ int keylen = 0;
+ int ret = -1;
+
+ if (key)
+ keylen = STRLEN_0(key);
+
+ hdrlen = gf_hdr_len (req, keylen);
+ hdr = gf_hdr_new (req, keylen);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, unwind);
+
+ req = gf_param (hdr);
+ req->flags = hton32 (flag);
+ req->keylen = hton32 (keylen);
+ if (keylen)
+ strcpy (req->key, key);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_BULK),
+ GF_OP_TYPE_MOP_REQUEST, GF_MOP_GETSPEC,
+ hdr, hdrlen, NULL, 0, NULL);
+
+ return ret;
+unwind:
+ if (hdr)
+ free (hdr);
+ STACK_UNWIND(frame, -1, EINVAL, NULL);
+ return 0;
+}
+
+
+/*
+ * client_getspec_cbk - getspec callback for client protocol
+ *
+ * @frame: call frame
+ * @args: argument dictionary
+ *
+ * not for external reference
+ */
+
+int32_t
+client_getspec_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ gf_mop_getspec_rsp_t *rsp = NULL;
+ char *spec_data = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+ int32_t gf_errno = 0;
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ gf_errno = ntoh32 (hdr->rsp.op_errno);
+ op_errno = gf_error_to_errno (gf_errno);
+ rsp = gf_param (hdr);
+
+ if (op_ret >= 0) {
+ spec_data = rsp->spec;
+ }
+
+ STACK_UNWIND (frame, op_ret, op_errno, spec_data);
+ return 0;
+}
+
+int32_t
+client_checksum (call_frame_t *frame,
+ xlator_t *this,
+ loc_t *loc,
+ int32_t flag)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_fop_checksum_req_t *req = NULL;
+ size_t hdrlen = -1;
+ int ret = -1;
+ client_conf_t *conf = this->private;
+ ino_t ino = 0;
+
+ if (conf->child) {
+ STACK_WIND (frame,
+ default_checksum_cbk,
+ conf->child,
+ conf->child->fops->checksum,
+ loc,
+ flag);
+
+ return 0;
+ }
+
+ hdrlen = gf_hdr_len (req, strlen (loc->path) + 1);
+ hdr = gf_hdr_new (req, strlen (loc->path) + 1);
+ req = gf_param (hdr);
+
+ ino = this_ino_get (loc, this, GF_CLIENT_INODE_SELF);
+ req->ino = hton64 (ino);
+ req->flag = hton32 (flag);
+ strcpy (req->path, loc->path);
+
+ ret = protocol_client_xfer (frame, this,
+ CLIENT_CHANNEL (this, CHANNEL_BULK),
+ GF_OP_TYPE_FOP_REQUEST, GF_FOP_CHECKSUM,
+ hdr, hdrlen, NULL, 0, NULL);
+
+ return ret;
+}
+
+int32_t
+client_checksum_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ gf_fop_checksum_rsp_t *rsp = NULL;
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+ int32_t gf_errno = 0;
+ unsigned char *fchecksum = NULL;
+ unsigned char *dchecksum = NULL;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ gf_errno = ntoh32 (hdr->rsp.op_errno);
+ op_errno = gf_error_to_errno (gf_errno);
+
+ if (op_ret >= 0) {
+ fchecksum = rsp->fchecksum;
+ dchecksum = rsp->dchecksum + ZR_FILENAME_MAX;
+ }
+
+ STACK_UNWIND (frame, op_ret, op_errno, fchecksum, dchecksum);
+ return 0;
+}
+
+
+/*
+ * client_setspec_cbk - setspec callback for client protocol
+ * @frame: call frame
+ * @args: argument dictionary
+ *
+ * not for external reference
+ */
+
+int32_t
+client_setspec_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ int32_t op_ret = 0;
+ int32_t op_errno = 0;
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ STACK_UNWIND (frame, op_ret, op_errno);
+
+ return 0;
+}
+
+/*
+ * client_setvolume_cbk - setvolume callback for client protocol
+ * @frame: call frame
+ * @args: argument dictionary
+ *
+ * not for external reference
+ */
+int
+client_setvolume_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ gf_mop_setvolume_rsp_t *rsp = NULL;
+ client_connection_t *conn = NULL;
+ client_conf_t *conf = NULL;
+ glusterfs_ctx_t *ctx = NULL;
+ xlator_t *this = NULL;
+ xlator_list_t *parent = NULL;
+ transport_t *trans = NULL;
+ dict_t *reply = NULL;
+ char *remote_subvol = NULL;
+ char *remote_error = NULL;
+ char *process_uuid = NULL;
+ int32_t ret = -1;
+ int32_t op_ret = -1;
+ int32_t op_errno = EINVAL;
+ int32_t dict_len = 0;
+
+
+ trans = frame->local; frame->local = NULL;
+ this = frame->this;
+ conf = this->private;
+ conn = trans->xl_private;
+
+ rsp = gf_param (hdr);
+
+ op_ret = ntoh32 (hdr->rsp.op_ret);
+ op_errno = gf_error_to_errno (ntoh32 (hdr->rsp.op_errno));
+
+ if (op_ret < 0 && op_errno == ENOTCONN) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "setvolume failed (%s)",
+ strerror (op_errno));
+ goto out;
+ }
+
+ reply = dict_new ();
+ GF_VALIDATE_OR_GOTO(this->name, reply, out);
+
+ dict_len = ntoh32 (rsp->dict_len);
+ ret = dict_unserialize (rsp->buf, dict_len, &reply);
+ if (ret < 0) {
+ gf_log (frame->this->name, GF_LOG_ERROR,
+ "failed to unserialize buffer(%p) to dictionary",
+ rsp->buf);
+ goto out;
+ }
+
+ ret = dict_get_str (reply, "ERROR", &remote_error);
+ if (ret < 0) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "failed to get ERROR string from reply dictionary");
+ }
+
+ ret = dict_get_str (reply, "process-uuid", &process_uuid);
+ if (ret < 0) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "failed to get 'process-uuid' from reply dictionary");
+ }
+
+ if (op_ret < 0) {
+ gf_log (trans->xl->name, GF_LOG_ERROR,
+ "SETVOLUME on remote-host failed: %s",
+ remote_error ? remote_error : strerror (op_errno));
+ errno = op_errno;
+ if (op_errno == ENOTCONN)
+ goto out;
+ } else {
+ ctx = get_global_ctx_ptr ();
+ if (process_uuid && !strcmp (ctx->process_uuid,process_uuid)) {
+ ret = dict_get_str (this->options, "remote-subvolume",
+ &remote_subvol);
+ if (!remote_subvol)
+ goto out;
+
+ gf_log (this->name, GF_LOG_WARNING,
+ "attaching to the local volume '%s'",
+ remote_subvol);
+
+ /* TODO: */
+ conf->child = xlator_search_by_name (this,
+ remote_subvol);
+ }
+ gf_log (trans->xl->name, GF_LOG_INFO,
+ "connection and handshake succeeded");
+
+ pthread_mutex_lock (&(conn->lock));
+ {
+ conn->connected = 1;
+ }
+ pthread_mutex_unlock (&(conn->lock));
+
+ parent = trans->xl->parents;
+ while (parent) {
+ parent->xlator->notify (parent->xlator,
+ GF_EVENT_CHILD_UP,
+ trans->xl);
+ parent = parent->next;
+ }
+ }
+
+out:
+ STACK_DESTROY (frame->root);
+
+ if (reply)
+ dict_unref (reply);
+
+ return op_ret;
+}
+
+/*
+ * client_enosys_cbk -
+ * @frame: call frame
+ *
+ * not for external reference
+ */
+int
+client_enosys_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ STACK_DESTROY (frame->root);
+ return 0;
+}
+
+
+void
+client_protocol_reconnect (void *trans_ptr)
+{
+ transport_t *trans = NULL;
+ client_connection_t *conn = NULL;
+ struct timeval tv = {0, 0};
+
+ trans = trans_ptr;
+ conn = trans->xl_private;
+ pthread_mutex_lock (&conn->lock);
+ {
+ if (conn->reconnect)
+ gf_timer_call_cancel (trans->xl->ctx,
+ conn->reconnect);
+ conn->reconnect = 0;
+
+ if (conn->connected == 0) {
+ tv.tv_sec = 10;
+
+ gf_log (trans->xl->name, GF_LOG_DEBUG,
+ "attempting reconnect");
+ transport_connect (trans);
+
+ conn->reconnect =
+ gf_timer_call_after (trans->xl->ctx, tv,
+ client_protocol_reconnect,
+ trans);
+ } else {
+ gf_log (trans->xl->name, GF_LOG_DEBUG,
+ "breaking reconnect chain");
+ }
+ }
+ pthread_mutex_unlock (&conn->lock);
+}
+
+/*
+ * client_protocol_cleanup - cleanup function
+ * @trans: transport object
+ *
+ */
+int
+protocol_client_cleanup (transport_t *trans)
+{
+ client_connection_t *conn = NULL;
+ struct saved_frames *saved_frames = NULL;
+
+ conn = trans->xl_private;
+
+ gf_log (trans->xl->name, GF_LOG_DEBUG,
+ "cleaning up state in transport object %p", trans);
+
+ pthread_mutex_lock (&conn->lock);
+ {
+ saved_frames = conn->saved_frames;
+ conn->saved_frames = saved_frames_new ();
+
+/*
+ trav = conn->saved_fds->members_list;
+ this = trans->xl;
+
+ while (trav) {
+ fd_t *fd_tmp = (fd_t *)(long) strtoul (trav->key,
+ NULL, 0);
+ fd_ctx_del (fd_tmp, this, NULL);
+ trav = trav->next;
+ }
+
+ dict_destroy (conn->saved_fds);
+
+ conn->saved_fds = get_new_dict_full (64);
+*/
+ /* bailout logic cleanup */
+ memset (&(conn->last_sent), 0,
+ sizeof (conn->last_sent));
+
+ memset (&(conn->last_received), 0,
+ sizeof (conn->last_received));
+
+ if (conn->timer) {
+ gf_timer_call_cancel (trans->xl->ctx, conn->timer);
+ conn->timer = NULL;
+ }
+
+ if (conn->reconnect == NULL) {
+ /* :O This part is empty.. any thing missing? */
+ }
+ }
+ pthread_mutex_unlock (&conn->lock);
+
+ saved_frames_destroy (trans->xl, saved_frames,
+ gf_fops, gf_mops, gf_cbks);
+
+ return 0;
+}
+
+
+/* cbk callbacks */
+int
+client_releasedir_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ STACK_DESTROY (frame->root);
+ return 0;
+}
+
+
+int
+client_release_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ STACK_DESTROY (frame->root);
+ return 0;
+}
+
+
+int
+client_forget_cbk (call_frame_t *frame,
+ gf_hdr_common_t *hdr, size_t hdrlen,
+ char *buf, size_t buflen)
+{
+ client_conf_t *conf = NULL;
+ client_forget_t forget = {0, };
+ uint8_t send_forget = 0;
+ int32_t ret = -1;
+
+
+ conf = frame->this->private;
+ LOCK (&conf->forget.lock);
+ {
+ conf->forget.frames_in_transit--;
+
+ ret = client_get_forgets (frame->this, &forget);
+ if (ret <= 0)
+ send_forget = 0;
+ else
+ send_forget = 1;
+ }
+ UNLOCK (&conf->forget.lock);
+
+ if (send_forget) {
+ ret = protocol_client_xfer (forget.frame, frame->this,
+ CLIENT_CHANNEL (frame->this,
+ CHANNEL_BULK),
+ GF_OP_TYPE_CBK_REQUEST,
+ GF_CBK_FORGET,
+ forget.hdr, forget.hdrlen,
+ NULL, 0, NULL);
+ }
+
+ STACK_DESTROY (frame->root);
+ return 0;
+}
+
+
+static gf_op_t gf_fops[] = {
+ [GF_FOP_STAT] = client_stat_cbk,
+ [GF_FOP_READLINK] = client_readlink_cbk,
+ [GF_FOP_MKNOD] = client_mknod_cbk,
+ [GF_FOP_MKDIR] = client_mkdir_cbk,
+ [GF_FOP_UNLINK] = client_unlink_cbk,
+ [GF_FOP_RMDIR] = client_rmdir_cbk,
+ [GF_FOP_SYMLINK] = client_symlink_cbk,
+ [GF_FOP_RENAME] = client_rename_cbk,
+ [GF_FOP_LINK] = client_link_cbk,
+ [GF_FOP_CHMOD] = client_chmod_cbk,
+ [GF_FOP_CHOWN] = client_chown_cbk,
+ [GF_FOP_TRUNCATE] = client_truncate_cbk,
+ [GF_FOP_OPEN] = client_open_cbk,
+ [GF_FOP_READ] = client_readv_cbk,
+ [GF_FOP_WRITE] = client_write_cbk,
+ [GF_FOP_STATFS] = client_statfs_cbk,
+ [GF_FOP_FLUSH] = client_flush_cbk,
+ [GF_FOP_FSYNC] = client_fsync_cbk,
+ [GF_FOP_SETXATTR] = client_setxattr_cbk,
+ [GF_FOP_GETXATTR] = client_getxattr_cbk,
+ [GF_FOP_REMOVEXATTR] = client_removexattr_cbk,
+ [GF_FOP_OPENDIR] = client_opendir_cbk,
+ [GF_FOP_GETDENTS] = client_getdents_cbk,
+ [GF_FOP_FSYNCDIR] = client_fsyncdir_cbk,
+ [GF_FOP_ACCESS] = client_access_cbk,
+ [GF_FOP_CREATE] = client_create_cbk,
+ [GF_FOP_FTRUNCATE] = client_ftruncate_cbk,
+ [GF_FOP_FSTAT] = client_fstat_cbk,
+ [GF_FOP_LK] = client_lk_common_cbk,
+ [GF_FOP_UTIMENS] = client_utimens_cbk,
+ [GF_FOP_FCHMOD] = client_fchmod_cbk,
+ [GF_FOP_FCHOWN] = client_fchown_cbk,
+ [GF_FOP_LOOKUP] = client_lookup_cbk,
+ [GF_FOP_SETDENTS] = client_setdents_cbk,
+ [GF_FOP_READDIR] = client_readdir_cbk,
+ [GF_FOP_INODELK] = client_inodelk_cbk,
+ [GF_FOP_FINODELK] = client_finodelk_cbk,
+ [GF_FOP_ENTRYLK] = client_entrylk_cbk,
+ [GF_FOP_FENTRYLK] = client_fentrylk_cbk,
+ [GF_FOP_CHECKSUM] = client_checksum_cbk,
+ [GF_FOP_XATTROP] = client_xattrop_cbk,
+ [GF_FOP_FXATTROP] = client_fxattrop_cbk,
+};
+
+static gf_op_t gf_mops[] = {
+ [GF_MOP_SETVOLUME] = client_setvolume_cbk,
+ [GF_MOP_GETVOLUME] = client_enosys_cbk,
+ [GF_MOP_STATS] = client_stats_cbk,
+ [GF_MOP_SETSPEC] = client_setspec_cbk,
+ [GF_MOP_GETSPEC] = client_getspec_cbk,
+ [GF_MOP_PING] = client_ping_cbk,
+};
+
+static gf_op_t gf_cbks[] = {
+ [GF_CBK_FORGET] = client_forget_cbk,
+ [GF_CBK_RELEASE] = client_release_cbk,
+ [GF_CBK_RELEASEDIR] = client_releasedir_cbk
+};
+
+/*
+ * client_protocol_interpret - protocol interpreter
+ * @trans: transport object
+ * @blk: data block
+ *
+ */
+int
+protocol_client_interpret (xlator_t *this, transport_t *trans,
+ char *hdr_p, size_t hdrlen,
+ char *buf_p, size_t buflen)
+{
+ int ret = -1;
+ call_frame_t *frame = NULL;
+ gf_hdr_common_t *hdr = NULL;
+ uint64_t callid = 0;
+ int type = -1;
+ int op = -1;
+
+
+ hdr = (gf_hdr_common_t *)hdr_p;
+
+ type = ntoh32 (hdr->type);
+ op = ntoh32 (hdr->op);
+ callid = ntoh64 (hdr->callid);
+
+ frame = lookup_frame (trans, op, type, callid);
+ if (frame == NULL) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "no frame for callid=%"PRId64" type=%d op=%d",
+ callid, type, op);
+ return 0;
+ }
+
+ switch (type) {
+ case GF_OP_TYPE_FOP_REPLY:
+ if ((op > GF_FOP_MAXVALUE) ||
+ (op < 0)) {
+ gf_log (trans->xl->name, GF_LOG_WARNING,
+ "invalid fop '%d'", op);
+ } else {
+ ret = gf_fops[op] (frame, hdr, hdrlen, buf_p, buflen);
+ }
+ break;
+ case GF_OP_TYPE_MOP_REPLY:
+ if ((op > GF_MOP_MAXVALUE) ||
+ (op < 0)) {
+ gf_log (trans->xl->name, GF_LOG_WARNING,
+ "invalid fop '%d'", op);
+ } else {
+ ret = gf_mops[op] (frame, hdr, hdrlen, buf_p, buflen);
+ }
+ break;
+ case GF_OP_TYPE_CBK_REPLY:
+ if ((op > GF_CBK_MAXVALUE) ||
+ (op < 0)) {
+ gf_log (trans->xl->name, GF_LOG_WARNING,
+ "invalid cbk '%d'", op);
+ } else {
+ ret = gf_cbks[op] (frame, hdr, hdrlen, buf_p, buflen);
+ }
+ break;
+ default:
+ gf_log (trans->xl->name, GF_LOG_ERROR,
+ "invalid packet type: %d", type);
+ break;
+ }
+
+ return ret;
+}
+
+/*
+ * init - initiliazation function. called during loading of client protocol
+ * @this:
+ *
+ */
+int32_t
+init (xlator_t *this)
+{
+ transport_t *trans = NULL;
+ client_conf_t *conf = NULL;
+ client_connection_t *conn = NULL;
+ int32_t transport_timeout = 0;
+ int32_t ping_timeout = 0;
+ data_t *remote_subvolume = NULL;
+ int32_t ret = -1;
+ int i = 0;
+
+ if (this->children) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "FATAL: client protocol translator cannot have "
+ "subvolumes");
+ goto out;
+ }
+
+ if (!this->parents) {
+ gf_log (this->name, GF_LOG_WARNING,
+ "dangling volume. check volfile ");
+ }
+
+ remote_subvolume = dict_get (this->options, "remote-subvolume");
+ if (remote_subvolume == NULL) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "missing 'option remote-subvolume'.");
+ goto out;
+ }
+
+ ret = dict_get_int32 (this->options, "transport-timeout",
+ &transport_timeout);
+ if (ret >= 0) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "setting transport-timeout to %d", transport_timeout);
+ } else {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "defaulting transport-timeout to 42");
+ transport_timeout = 42;
+ }
+
+ ret = dict_get_int32 (this->options, "ping-timeout",
+ &ping_timeout);
+ if (ret >= 0) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "setting ping-timeout to %d", ping_timeout);
+ } else {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "defaulting ping-timeout to 10");
+ ping_timeout = 10;
+ }
+
+ conf = CALLOC (1, sizeof (client_conf_t));
+
+ LOCK_INIT (&conf->forget.lock);
+ pthread_mutex_init (&conf->mutex, NULL);
+ conf->saved_fds = get_new_dict_full (64);
+
+ this->private = conf;
+
+ for (i = 0; i < CHANNEL_MAX; i++) {
+ trans = transport_load (this->options, this);
+ if (trans == NULL) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to load transport");
+ ret = -1;
+ goto out;
+ }
+
+ conn = CALLOC (1, sizeof (*conn));
+
+ conn->saved_frames = saved_frames_new ();
+
+ conn->callid = 1;
+
+ memset (&(conn->last_sent), 0, sizeof (conn->last_sent));
+ memset (&(conn->last_received), 0,
+ sizeof (conn->last_received));
+
+ conn->transport_timeout = transport_timeout;
+ conn->ping_timeout = ping_timeout;
+
+ pthread_mutex_init (&conn->lock, NULL);
+
+ trans->xl_private = conn;
+ conf->transport[i] = transport_ref (trans);
+ }
+
+#ifndef GF_DARWIN_HOST_OS
+ {
+ struct rlimit lim;
+
+ lim.rlim_cur = 1048576;
+ lim.rlim_max = 1048576;
+
+ ret = setrlimit (RLIMIT_NOFILE, &lim);
+ if (ret == -1) {
+ gf_log (this->name, GF_LOG_WARNING,
+ "WARNING: Failed to set 'ulimit -n 1M': %s",
+ strerror(errno));
+ lim.rlim_cur = 65536;
+ lim.rlim_max = 65536;
+
+ ret = setrlimit (RLIMIT_NOFILE, &lim);
+ if (ret == -1) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "Failed to set max open fd to 64k: %s",
+ strerror(errno));
+ } else {
+ gf_log (this->name, GF_LOG_ERROR,
+ "max open fd set to 64k");
+ }
+
+ }
+ }
+#endif
+ ret = 0;
+out:
+ return ret;
+}
+
+/*
+ * fini - finish function called during unloading of client protocol
+ * @this:
+ *
+ */
+void
+fini (xlator_t *this)
+{
+ /* TODO: Check if its enough.. how to call transport's fini () */
+ client_conf_t *conf = NULL;
+
+ conf = this->private;
+ this->private = NULL;
+
+ if (conf) {
+ LOCK_DESTROY (&conf->forget.lock);
+ FREE (conf);
+ }
+ return;
+}
+
+
+int
+protocol_client_handshake (xlator_t *this, transport_t *trans)
+{
+ gf_hdr_common_t *hdr = NULL;
+ gf_mop_setvolume_req_t *req = NULL;
+ dict_t *options = NULL;
+ int32_t ret = -1;
+ int hdrlen = 0;
+ int dict_len = 0;
+ call_frame_t *fr = NULL;
+ char *process_uuid_xl;
+
+ options = this->options;
+ ret = dict_set_str (options, "version", PACKAGE_VERSION);
+ if (ret < 0) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "failed to set version(%s) in options dictionary",
+ PACKAGE_VERSION);
+ }
+
+ asprintf (&process_uuid_xl, "%s-%s", this->ctx->process_uuid,
+ this->name);
+ ret = dict_set_dynstr (options, "process-uuid",
+ process_uuid_xl);
+ if (ret < 0) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "failed to set process-uuid(%s) in options dictionary",
+ PACKAGE_VERSION);
+ }
+
+ dict_len = dict_serialized_length (options);
+ if (dict_len < 0) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "failed to get serialized length of dict(%p)",
+ options);
+ ret = dict_len;
+ goto fail;
+ }
+
+ hdrlen = gf_hdr_len (req, dict_len);
+ hdr = gf_hdr_new (req, dict_len);
+ GF_VALIDATE_OR_GOTO(this->name, hdr, fail);
+
+ req = gf_param (hdr);
+
+ ret = dict_serialize (options, req->buf);
+ if (ret < 0) {
+ gf_log (this->name, GF_LOG_ERROR,
+ "failed to serialize dictionary(%p)",
+ options);
+ goto fail;
+ }
+
+ req->dict_len = hton32 (dict_len);
+ fr = create_frame (this, this->ctx->pool);
+ GF_VALIDATE_OR_GOTO(this->name, fr, fail);
+
+ fr->local = trans;
+ ret = protocol_client_xfer (fr, this, trans,
+ GF_OP_TYPE_MOP_REQUEST, GF_MOP_SETVOLUME,
+ hdr, hdrlen, NULL, 0, NULL);
+ return ret;
+fail:
+ if (hdr)
+ free (hdr);
+ return ret;
+}
+
+
+int
+protocol_client_pollout (xlator_t *this, transport_t *trans)
+{
+ client_connection_t *conn = NULL;
+
+ conn = trans->xl_private;
+
+ pthread_mutex_lock (&conn->lock);
+ {
+ gettimeofday (&conn->last_sent, NULL);
+ }
+ pthread_mutex_unlock (&conn->lock);
+
+ return 0;
+}
+
+
+int
+protocol_client_pollin (xlator_t *this, transport_t *trans)
+{
+ client_connection_t *conn = NULL;
+ int ret = -1;
+ char *buf = NULL;
+ size_t buflen = 0;
+ char *hdr = NULL;
+ size_t hdrlen = 0;
+ int connected = 0;
+
+ conn = trans->xl_private;
+
+ pthread_mutex_lock (&conn->lock);
+ {
+ gettimeofday (&conn->last_received, NULL);
+ connected = conn->connected;
+ }
+ pthread_mutex_unlock (&conn->lock);
+
+ ret = transport_receive (trans, &hdr, &hdrlen, &buf, &buflen);
+
+ if (ret == 0)
+ {
+ ret = protocol_client_interpret (this, trans, hdr, hdrlen,
+ buf, buflen);
+ }
+
+ /* TODO: use mem-pool */
+ FREE (hdr);
+
+ return ret;
+}
+
+
+/*
+ * client_protocol_notify - notify function for client protocol
+ * @this:
+ * @trans: transport object
+ * @event
+ *
+ */
+
+int32_t
+notify (xlator_t *this,
+ int32_t event,
+ void *data,
+ ...)
+{
+ int ret = -1;
+ transport_t *trans = NULL;
+ client_connection_t *conn = NULL;
+
+ trans = data;
+
+ switch (event) {
+ case GF_EVENT_POLLOUT:
+ {
+ ret = protocol_client_pollout (this, trans);
+
+ break;
+ }
+ case GF_EVENT_POLLIN:
+ {
+ ret = protocol_client_pollin (this, trans);
+
+ break;
+ }
+ /* no break for ret check to happen below */
+ case GF_EVENT_POLLERR:
+ {
+ ret = -1;
+ protocol_client_cleanup (trans);
+ }
+
+ conn = trans->xl_private;
+ if (conn->connected) {
+ xlator_list_t *parent = NULL;
+
+ gf_log (this->name, GF_LOG_INFO, "disconnected");
+
+ parent = this->parents;
+ while (parent) {
+ parent->xlator->notify (parent->xlator,
+ GF_EVENT_CHILD_DOWN,
+ this);
+ parent = parent->next;
+ }
+
+ conn->connected = 0;
+ if (conn->reconnect == 0)
+ client_protocol_reconnect (trans);
+ }
+ break;
+
+ case GF_EVENT_PARENT_UP:
+ {
+ xlator_list_t *parent = NULL;
+ client_conf_t *conf = NULL;
+ int i = 0;
+ transport_t *trans = NULL;
+
+ conf = this->private;
+ for (i = 0; i < CHANNEL_MAX; i++) {
+ trans = conf->transport[i];
+ if (!trans) {
+ gf_log (this->name, GF_LOG_DEBUG,
+ "transport init failed");
+ return -1;
+ }
+
+ conn = trans->xl_private;
+
+ gf_log (this->name, GF_LOG_DEBUG,
+ "got GF_EVENT_PARENT_UP, attempting connect "
+ "on transport");
+
+ client_protocol_reconnect (trans);
+ }
+
+ /* Let the connection/re-connection happen in
+ * background, for now, don't hang here,
+ * tell the parents that i am all ok..
+ */
+ parent = trans->xl->parents;
+ while (parent) {
+ parent->xlator->notify (parent->xlator,
+ GF_EVENT_CHILD_CONNECTING,
+ trans->xl);
+ parent = parent->next;
+ }
+ }
+ break;
+
+ case GF_EVENT_CHILD_UP:
+ {
+ char *handshake = NULL;
+
+ ret = dict_get_str (this->options, "disable-handshake",
+ &handshake);
+ gf_log (this->name, GF_LOG_DEBUG,
+ "got GF_EVENT_CHILD_UP");
+ if ((ret < 0) ||
+ (strcasecmp (handshake, "on"))) {
+ ret = protocol_client_handshake (this, trans);
+ } else {
+ conn = trans->xl_private;
+ conn->connected = 1;
+ ret = default_notify (this, event, trans);
+ }
+
+ if (ret)
+ transport_disconnect (trans);
+
+ }
+ break;
+
+ default:
+ gf_log (this->name, GF_LOG_DEBUG,
+ "got %d, calling default_notify ()", event);
+
+ default_notify (this, event, data);
+ break;
+ }
+
+ return ret;
+}
+
+
+struct xlator_fops fops = {
+ .stat = client_stat,
+ .readlink = client_readlink,
+ .mknod = client_mknod,
+ .mkdir = client_mkdir,
+ .unlink = client_unlink,
+ .rmdir = client_rmdir,
+ .symlink = client_symlink,
+ .rename = client_rename,
+ .link = client_link,
+ .chmod = client_chmod,
+ .chown = client_chown,
+ .truncate = client_truncate,
+ .utimens = client_utimens,
+ .open = client_open,
+ .readv = client_readv,
+ .writev = client_writev,
+ .statfs = client_statfs,
+ .flush = client_flush,
+ .fsync = client_fsync,
+ .setxattr = client_setxattr,
+ .getxattr = client_getxattr,
+ .removexattr = client_removexattr,
+ .opendir = client_opendir,
+ .readdir = client_readdir,
+ .fsyncdir = client_fsyncdir,
+ .access = client_access,
+ .ftruncate = client_ftruncate,
+ .fstat = client_fstat,
+ .create = client_create,
+ .lk = client_lk,
+ .inodelk = client_inodelk,
+ .finodelk = client_finodelk,
+ .entrylk = client_entrylk,
+ .fentrylk = client_fentrylk,
+ .lookup = client_lookup,
+ .fchmod = client_fchmod,
+ .fchown = client_fchown,
+ .setdents = client_setdents,
+ .getdents = client_getdents,
+ .checksum = client_checksum,
+ .xattrop = client_xattrop,
+ .fxattrop = client_fxattrop,
+};
+
+struct xlator_mops mops = {
+ .stats = client_stats,
+ .getspec = client_getspec,
+};
+
+struct xlator_cbks cbks = {
+ .forget = client_forget,
+ .release = client_release,
+ .releasedir = client_releasedir
+};
+
+
+struct volume_options options[] = {
+ { .key = {"username"},
+ .type = GF_OPTION_TYPE_ANY
+ },
+ { .key = {"password"},
+ .type = GF_OPTION_TYPE_ANY
+ },
+ { .key = {"transport-type"},
+ .value = {"tcp", "socket", "ib-verbs", "unix", "ib-sdp",
+ "tcp/client", "ib-verbs/client"},
+ .type = GF_OPTION_TYPE_STR
+ },
+ { .key = {"remote-host"},
+ .type = GF_OPTION_TYPE_ANY
+ },
+ { .key = {"remote-subvolume"},
+ .type = GF_OPTION_TYPE_ANY
+ },
+ { .key = {"transport-timeout"},
+ .type = GF_OPTION_TYPE_TIME,
+ .min = 5,
+ .max = 1013,
+ },
+ { .key = {"ping-timeout"},
+ .type = GF_OPTION_TYPE_TIME,
+ .min = 5,
+ .max = 1013,
+ },
+ { .key = {NULL} },
+};
generated by cgit (git 2.34.1) at 2024-11-05 19:14:39 +0000